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The Cidr Report
by cidr-report＠potaroo.net 27 Jun '03

27 Jun '03

This report has been generated at Fri Jun 27 21:07:01 2003 AEST. The report analyses the BGP Routing Table of the Route-Views router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as6447 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 20-06-03 139461 99183 21-06-03 16181 33004 22-06-03 139382 99687 23-06-03 139587 99904 24-06-03 139325 99906 25-06-03 140938 100648 26-06-03 139466 99744 27-06-03 139252 99443 AS Summary 15572 Number of ASes in routing system 6036 Number of ASes announcing only one prefix 2367 Largest number of prefixes announced by an AS AS705 : ALTERNET-AS UUNET Technologies, Inc. 73223936 Largest address span announced by an AS (/32s) AS568 : SUMNET-AS DISO-UNRRA Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 27Jun03 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 139250 99943 39307 28.2% All ASes AS15290 1873 206 1667 89.0% ATTCA-15290 AT&T Canada Telecom Services Company AS705 2367 1308 1059 44.7% ALTERNET-AS UUNET Technologies, Inc. AS7132 835 237 598 71.6% SBIS-AS SBC Internet Services - Southwest AS18566 604 8 596 98.7% COVAD Covad Communications AS4716 1281 727 554 43.2% POWEREDCOM POWEREDCOM, Inc. AS3908 1807 1260 547 30.3% SUPERNETASBLK SuperNet, Inc. AS11305 549 81 468 85.2% INTERLAND-NET1 Interland Incorporated AS690 1614 1170 444 27.5% MERIT-AS-27 Merit Network Inc. AS701 1526 1090 436 28.6% ALTERNET-AS UUNET Technologies, Inc. AS7018 1364 947 417 30.6% ATT-INTERNET4 AT&T WorldNet Services AS189 685 316 369 53.9% GENUITY-AS189 Genuity AS4323 602 236 366 60.8% TW-COMM Time Warner Communications, Inc. AS3215 569 228 341 59.9% AS3215 France Telecom Transpac AS1221 1120 782 338 30.2% ASN-TELSTRA Telstra Pty Ltd AS1239 973 687 286 29.4% SPRINTLINK Sprint AS6198 476 207 269 56.5% BATI-MIA BellSouth Network Solutions, Inc AS7046 1345 1101 244 18.1% UUNET-CUSTOMER UUNET Technologies, Inc. AS3356 604 362 242 40.1% LEVEL3 Level 3 Communications, LLC AS27364 320 89 231 72.2% ACS-INTERNET Armstrong Cable Services AS6197 521 303 218 41.8% BATI-ATL BellSouth Network Solutions, Inc AS7843 630 421 209 33.2% ADELPHIA-AS Adelphia Corp. AS4755 433 227 206 47.6% VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System AS17676 250 49 201 80.4% GIGAINFRA XTAGE CORPORATION AS2386 410 225 185 45.1% INS-AS AT&T Data Communications Services AS4355 405 222 183 45.2% ERMS-EARTHLNK EARTHLINK, INC AS376 381 211 170 44.6% RISQ-AS Reseau Interordinateurs Scientique Quebecois (RISQ) AS209 629 462 167 26.6% ASN-QWEST Qwest AS2548 906 739 167 18.4% ALGX-ATCW-AS Allegiance Telecom Companies Worldwide AS6140 285 122 163 57.2% IMPSAT-USA ImpSat AS20115 460 298 162 35.2% CHARTER-NET-HKY-NC Charter Communications Total 25824 14321 11503 44.5% Top 30 total Possible Bogus Routes 5.5.5.0/24 AS1239 SPRINTLINK Sprint 24.119.0.0/16 AS11492 CABLEONE CABLE ONE 24.183.185.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.186.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.187.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.188.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.189.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.191.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.199.0.0/18 AS20001 ROADRUNNER-WEST HoldCo LLC - Road Runner 24.199.32.0/22 AS1668 AOL-PRIMEHOST GNN Hosting Service 24.223.128.0/17 AS11060 NEO-RR-COM Time Warner Cable Northeast Ohio 39.0.0.0/8 AS4554 EP0-BLK-ASNBLOCK-4 Exchange Point Blocks 61.12.32.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 61.12.34.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 63.0.0.0/8 AS226 LOS-NETTOS-AS Los Nettos 64.30.64.0/19 AS14900 USLEC-CORP-1 USLEC Corp. 65.6.145.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.146.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.147.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.150.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.151.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 66.41.192.0/18 AS13367 ATT-BBND-B AT&T Broadband 66.207.54.80/29 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide 67.45.23.120/29 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide 67.45.53.192/29 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide 69.60.128.0/20 AS23131 STARLAN Starlan Communications Inc. 82.129.128.0/17 AS24835 RAYA-AS RAYA Telecom - Egypt 132.0.0.0/10 AS568 SUMNET-AS DISO-UNRRA 137.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 138.136.0.0/13 AS568 SUMNET-AS DISO-UNRRA 140.240.0.0/13 AS1 GNTY-1 Genuity 158.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 165.212.0.0/16 AS7424 USANET USA.Net 166.16.0.0/16 AS7132 SBIS-AS SBC Internet Services - Southwest 171.64.0.0/10 AS1 GNTY-1 Genuity 192.43.230.0/24 AS4738 SAARDNET-AS South Australian Academic Research and Development Network 192.44.0.0/19 AS702 ALTERNET-AS UUNET Technologies, Inc. 192.83.14.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.16.0/20 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.25.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.32.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.64.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.96.0/22 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.100.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.119.135.0/24 AS270 PSCNI-AS National Aeronautics and Space Administration 192.124.252.0/22 AS680 AS680 DFN-IP service G-WiN 192.135.50.0/24 AS7018 ATT-INTERNET4 AT&T WorldNet Services 192.136.79.0/24 AS719 AS719 LANLINK autonomous system 192.136.80.0/24 AS719 AS719 LANLINK autonomous system 192.136.84.0/24 AS719 AS719 LANLINK autonomous system 192.136.85.0/24 AS719 AS719 LANLINK autonomous system 192.153.136.0/21 AS568 SUMNET-AS DISO-UNRRA 192.153.144.0/21 AS568 SUMNET-AS DISO-UNRRA 192.168.4.0/24 AS21166 AS21166 SatGate autonomous system 192.172.0.0/19 AS568 SUMNET-AS DISO-UNRRA 192.188.208.0/20 AS568 SUMNET-AS DISO-UNRRA 192.243.32.0/23 AS2044 PALIN-AS Palin Aquisitions Inc. 198.23.26.0/24 AS4390 BELLATLANTIC-COM Bell Atlantic, Inc. 198.97.72.0/21 AS568 SUMNET-AS DISO-UNRRA 198.97.80.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.88.0/24 AS89 NUSC-CSTLNET-AS Naval Underwater Systems Center 198.97.192.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.240.0/20 AS568 SUMNET-AS DISO-UNRRA 198.98.8.0/21 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 198.101.4.0/22 AS568 SUMNET-AS DISO-UNRRA 198.136.32.0/20 AS19329 MCNET Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY-NET CityNet, Inc. 198.161.87.0/24 AS6539 GROUPTLCOM GT Group Telecom Services Corp. 198.161.165.0/24 AS852 ASN852 Telus Advanced Communications 198.161.200.0/24 AS6539 GROUPTLCOM GT Group Telecom Services Corp. 198.163.155.0/24 AS684 MBNET-AS Manitoba Regional Network 198.167.0.0/16 AS7456 INTERHOP Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 198.168.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASKTEL SaskTel 198.232.133.0/24 AS23075 SKOTOS-AS Skotos Tech, Inc 199.10.0.0/16 AS568 SUMNET-AS DISO-UNRRA 199.60.0.0/20 AS271 BCNET-AS University of British Columbia 199.79.32.0/20 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 199.84.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 199.114.0.0/18 AS568 SUMNET-AS DISO-UNRRA 199.114.0.0/21 AS568 SUMNET-AS DISO-UNRRA 199.114.128.0/18 AS568 SUMNET-AS DISO-UNRRA 199.114.140.0/24 AS3544 ITSDN-U7 DISA/UNRRA 199.120.32.0/19 AS16582 NEXTLEVELINTERNET NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS568 SUMNET-AS DISO-UNRRA 199.123.16.0/20 AS568 SUMNET-AS DISO-UNRRA 199.123.80.0/21 AS568 SUMNET-AS DISO-UNRRA 199.189.32.0/19 AS7332 IQUEST-AS IQuest Internet 199.202.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 202.3.144.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.145.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.146.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.147.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.148.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.149.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.150.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.151.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.152.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.153.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.154.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.155.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.156.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.157.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.158.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.159.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.4.252.0/22 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.4.255.0/24 AS4799 UNSPECIFIED Ji Tong Communications Co., Ltd. 202.6.96.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.97.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.99.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.10.72.0/21 AS9716 AUSTAR-AS-AP Austar Entertainement 202.44.112.0/20 AS17458 CWNETDG-IO-AP Cable and Wireless 202.122.76.0/24 AS17553 TIMELESS-AP System Integration provider 202.130.224.0/20 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.130.240.0/21 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.130.248.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 202.130.252.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 202.136.254.0/23 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.136.254.0/24 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.140.230.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.232.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.234.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.235.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 202.142.130.0/23 AS17820 DIL-AP DIRECT INTERNET LTD. 202.142.132.0/22 AS17820 DIL-AP DIRECT INTERNET LTD. 202.143.48.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.143.56.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.161.0.0/19 AS10097 FLOWCOM flow communications level 2 541 kent st sydney nsw 2000 202.161.0.0/21 AS4634 -No Whois Entry- 202.161.8.0/21 AS4634 -No Whois Entry- 202.164.192.0/19 AS7599 IPXC-AS-AP IP Exchange 202.165.0.0/19 AS9443 INTERNETPRIMUS-AS-AP Primus Telecommunications 202.173.32.0/19 AS9671 APNIC-AS-3-BLOCK Asia Pacific Network Information Centre 203.12.222.64/26 AS4802 WANTREE-AS-AP Wantree Development 203.12.222.192/26 AS4802 WANTREE-AS-AP Wantree Development 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.76.128.0/24 AS9729 IS-AP iAdvantage Limited 203.76.224.0/24 AS9549 COMDEK-ISP-AS-AP Comdek ISP 203.78.125.0/24 AS17653 PCM-HK-AP Pacific Century Matrix 203.84.192.0/19 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 203.84.192.0/20 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 203.84.208.0/20 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 203.86.2.0/23 AS4058 APNIC-4058 Asia Pacific Network Information Centre 203.90.192.0/20 AS9658 ETPI-IDS-AS-AP Eastern Telecoms Phils., Inc. 203.135.99.0/24 AS2687 IBM-MMD-AS IBM 203.135.224.0/19 AS4058 APNIC-4058 Asia Pacific Network Information Centre 204.19.224.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 204.29.189.0/24 AS11755 WAYMARKCOMM Waymark Internet Services, Inc. 204.52.232.0/24 AS7177 DFWNET DFW Internet Services, Inc. 204.89.225.0/24 AS2495 KANREN Kansas Research and Education Network 204.154.240.0/21 AS11572 MEDIACOM Mediacom,llc / RidgeNet 204.194.110.0/23 AS10588 ICSNET Intelligent Computer Solutions, Inc 205.150.0.0/15 AS701 ALTERNET-AS UUNET Technologies, Inc. 205.151.0.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 206.41.32.0/19 AS14824 NEWSOUTH NewSouth Communications Corp. 206.81.187.0/24 AS19194 JOVITA Sentris Network LLC 206.82.64.0/18 AS7029 ALLTELNET Alltel Information Services, Inc. 206.108.34.0/24 AS852 ASN852 Telus Advanced Communications 206.108.35.0/24 AS852 ASN852 Telus Advanced Communications 206.126.0.0/19 AS5750 FLEXNET-HAWAII FlexNet Inc. 206.167.57.0/24 AS376 RISQ-AS Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 206.191.96.0/19 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 206.251.69.0/24 AS27429 TIL Telesat International Ltd. 207.47.39.0/24 AS816 UUNET-AS4 UUNET Technologies, Inc. 207.92.0.0/14 AS2551 ICG ICG NetAhead, Inc. 207.162.192.0/19 AS4589 EASYNET Easynet Group Plc 207.231.96.0/19 AS11194 NUNETPA NuNet Inc 208.65.232.0/23 AS701 ALTERNET-AS UUNET Technologies, Inc. 208.81.187.0/24 AS19194 JOVITA Sentris Network LLC 208.104.103.0/24 AS1239 SPRINTLINK Sprint 209.104.198.0/24 AS6137 SISNA SISNA, Inc. 209.104.199.0/24 AS6137 SISNA SISNA, Inc. 209.104.218.0/24 AS6137 SISNA SISNA, Inc. 209.104.219.0/24 AS6137 SISNA SISNA, Inc. 209.104.252.0/22 AS12030 PACIFIC-ONLINE-PON Pacific Online Services 209.108.0.0/14 AS2551 ICG ICG NetAhead, Inc. 209.151.128.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 209.160.73.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.160.209.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.169.219.0/24 AS189 GENUITY-AS189 Genuity 209.169.223.0/24 AS189 GENUITY-AS189 Genuity 209.172.0.0/18 AS7770 TRITON Triton Technologies, Inc. 209.213.32.0/19 AS10629 INTERPAC Inter-Pacific Network Services 209.213.50.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.51.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.55.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.56.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.160.0/19 AS4355 ERMS-EARTHLNK EARTHLINK, INC 209.222.137.0/24 AS27429 TIL Telesat International Ltd. 209.240.96.0/19 AS10815 KCNET KCnet, Inc. 209.251.0.0/19 AS11036 SISCOM SISCOM, Inc 209.251.64.0/19 AS10266 NETWAY-AS MDC, Inc. 210.4.20.0/22 AS10095 -No Whois Entry- 210.4.60.0/24 AS10095 -No Whois Entry- 210.4.61.0/24 AS10095 -No Whois Entry- 211.27.156.0/24 AS9768 PUBNET1-AS KT 211.27.156.192/26 AS9768 PUBNET1-AS KT 216.18.224.0/21 AS11458 IMBRIS IMBRIS, INC. 216.18.224.0/22 AS11458 IMBRIS IMBRIS, INC. 216.18.228.0/22 AS11458 IMBRIS IMBRIS, INC. 216.19.244.192/27 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide 216.47.32.0/19 AS11304 SPLUS Solutions Plus Inc. 216.96.128.0/18 AS7018 ATT-INTERNET4 AT&T WorldNet Services 216.115.178.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.179.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.182.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.183.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.184.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.189.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.190.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.191.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.153.0.0/17 AS6203 ISDN-NET ISDN-Net Inc. 216.211.177.0/24 AS14473 KNET KNet, Inc. 216.226.108.0/22 AS3602 SPRINT-CA-AS Sprint Canada Inc. 216.226.176.0/20 AS11109 STATE-OF-ALABAMA-ISD State of Alabama, Information Services Division Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org

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The Cidr Report
by cidr-report＠potaroo.net 20 Jun '03

20 Jun '03

This report has been generated at Fri Jun 20 21:46:50 2003 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 13-06-03 122864 87360 14-06-03 122926 87329 15-06-03 122763 87312 16-06-03 122762 87326 17-06-03 122762 87406 18-06-03 122964 87459 19-06-03 122930 87558 20-06-03 122465 87674 AS Summary 15329 Number of ASes in routing system 6054 Number of ASes announcing only one prefix 1514 Largest number of prefixes announced by an AS AS701 : ALTERNET-AS UUNET Technologies, Inc. 73190656 Largest address span announced by an AS (/32s) AS568 : SUMNET-AS DISO-UNRRA Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 20Jun03 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 122681 87722 34959 28.5% All ASes AS7132 923 229 694 75.2% SBIS-AS SBC Internet Services - Southwest AS11305 647 137 510 78.8% INTERLAND-NET1 Interland Incorporated AS701 1514 1070 444 29.3% ALTERNET-AS UUNET Technologies, Inc. AS7843 614 175 439 71.5% ADELPHIA-AS Adelphia Corp. AS4323 600 177 423 70.5% TW-COMM Time Warner Communications, Inc. AS7018 1337 927 410 30.7% ATT-INTERNET4 AT&T WorldNet Services AS3908 889 521 368 41.4% SUPERNETASBLK SuperNet, Inc. AS1221 1062 756 306 28.8% ASN-TELSTRA Telstra Pty Ltd AS6197 518 225 293 56.6% BATI-ATL BellSouth Network Solutions, Inc AS4355 397 111 286 72.0% ERMS-EARTHLNK EARTHLINK, INC AS6198 475 189 286 60.2% BATI-MIA BellSouth Network Solutions, Inc AS1239 959 677 282 29.4% SPRINTLINK Sprint AS6347 367 92 275 74.9% DIAMOND SAVVIS Communications Corporation AS27364 319 87 232 72.7% ACS-INTERNET Armstrong Cable Services AS17676 250 24 226 90.4% GIGAINFRA XTAGE CORPORATION AS22773 220 8 212 96.4% CCINET-2 Cox Communications Inc. Atlanta AS209 498 305 193 38.8% ASN-QWEST Qwest AS705 508 331 177 34.8% ALTERNET-AS UUNET Technologies, Inc. AS2386 406 235 171 42.1% INS-AS AT&T Data Communications Services AS2048 258 87 171 66.3% LANET-1 State of Louisiana AS17557 341 173 168 49.3% PKTELECOM-AS-AP Pakistan Telecom AS6327 190 24 166 87.4% SHAWFIBER Shaw Fiberlink Limited AS13601 205 46 159 77.6% ASN-INNERHOST Innerhost, Inc. AS690 450 293 157 34.9% MERIT-AS-27 Merit Network Inc. AS20115 463 311 152 32.8% CHARTER-NET-HKY-NC Charter Communications AS3602 226 79 147 65.0% SPRINT-CA-AS Sprint Canada Inc. AS2686 258 112 146 56.6% AS2686 AT&T Global Network Services - EMEA AS6140 297 155 142 47.8% IMPSAT-USA ImpSat AS7303 238 98 140 58.8% AR-TAST-LACNIC Telecom Argentina Stet-France Telecom S.A. AS14654 145 6 139 95.9% WAYPORT Wayport Total 15574 7660 7914 50.8% Top 30 total Possible Bogus Routes 24.2.128.0/21 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.7.10.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.11.98.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.14.197.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.18.132.0/23 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.23.8.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.119.0.0/16 AS11492 CABLEONE CABLE ONE 24.119.66.0/24 AS11492 CABLEONE CABLE ONE 24.180.60.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.185.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.186.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.187.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.188.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.189.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.191.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.223.128.0/17 AS11060 NEO-RR-COM Time Warner Cable Northeast Ohio 61.12.32.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 61.12.34.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 64.30.64.0/19 AS14900 USLEC-CORP-1 USLEC Corp. 65.2.165.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.145.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.146.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.147.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.150.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.151.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.8.0.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.11.200.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.11.201.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.15.117.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 66.41.192.0/18 AS13367 ATT-BBND-B AT&T Broadband 66.240.192.0/19 AS10439 CARI California Regional Intranet, Inc. 66.240.192.0/20 AS10439 CARI California Regional Intranet, Inc. 69.22.64.0/19 AS10994 TAMPA2-TWC-5 Time Warner Communications 69.22.96.0/20 AS10994 TAMPA2-TWC-5 Time Warner Communications 69.51.64.0/19 AS21947 PANGUICH-10 Cutthroat Communications 69.58.0.0/19 AS11877 FROGNET FrogNet, Inc. 132.0.0.0/10 AS568 SUMNET-AS DISO-UNRRA 137.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 138.136.0.0/13 AS568 SUMNET-AS DISO-UNRRA 140.240.0.0/13 AS1 GNTY-1 Genuity 158.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 165.212.0.0/16 AS7424 USANET USA.Net 166.16.0.0/16 AS7132 SBIS-AS SBC Internet Services - Southwest 171.64.0.0/10 AS1 GNTY-1 Genuity 192.43.230.0/24 AS4738 SAARDNET-AS South Australian Academic Research and Development Network 192.44.0.0/19 AS702 ALTERNET-AS UUNET Technologies, Inc. 192.83.16.0/20 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.32.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.64.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.96.0/22 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.100.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.119.135.0/24 AS270 PSCNI-AS National Aeronautics and Space Administration 192.124.252.0/22 AS680 AS680 DFN-IP service G-WiN 192.135.50.0/24 AS7018 ATT-INTERNET4 AT&T WorldNet Services 192.136.79.0/24 AS719 AS719 LANLINK autonomous system 192.153.136.0/21 AS568 SUMNET-AS DISO-UNRRA 192.153.144.0/21 AS568 SUMNET-AS DISO-UNRRA 192.172.0.0/19 AS568 SUMNET-AS DISO-UNRRA 192.188.208.0/20 AS568 SUMNET-AS DISO-UNRRA 192.228.0.0/16 AS4637 REACH Reach Network Border AS 192.243.32.0/23 AS2044 PALIN-AS Palin Aquisitions Inc. 198.23.26.0/24 AS4390 BELLATLANTIC-COM Bell Atlantic, Inc. 198.97.72.0/21 AS568 SUMNET-AS DISO-UNRRA 198.97.80.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.88.0/24 AS89 NUSC-CSTLNET-AS Naval Underwater Systems Center 198.97.192.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.240.0/20 AS568 SUMNET-AS DISO-UNRRA 198.98.8.0/21 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 198.101.4.0/22 AS568 SUMNET-AS DISO-UNRRA 198.136.32.0/20 AS19329 MCNET Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY-NET CityNet, Inc. 198.161.87.0/24 AS6539 GROUPTLCOM GT Group Telecom Services Corp. 198.161.165.0/24 AS852 ASN852 Telus Advanced Communications 198.163.155.0/24 AS684 MBNET-AS Manitoba Regional Network 198.167.0.0/16 AS7456 INTERHOP Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 198.168.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASKTEL SaskTel 198.232.133.0/24 AS23075 SKOTOS-AS Skotos Tech, Inc 199.10.0.0/16 AS568 SUMNET-AS DISO-UNRRA 199.60.0.0/20 AS271 BCNET-AS University of British Columbia 199.79.32.0/20 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 199.84.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 199.114.0.0/18 AS568 SUMNET-AS DISO-UNRRA 199.114.0.0/21 AS568 SUMNET-AS DISO-UNRRA 199.114.128.0/18 AS568 SUMNET-AS DISO-UNRRA 199.114.140.0/24 AS3544 ITSDN-U7 DISA/UNRRA 199.120.32.0/19 AS16582 NEXTLEVELINTERNET NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS568 SUMNET-AS DISO-UNRRA 199.123.16.0/20 AS568 SUMNET-AS DISO-UNRRA 199.123.80.0/21 AS568 SUMNET-AS DISO-UNRRA 199.167.25.0/24 AS701 ALTERNET-AS UUNET Technologies, Inc. 199.189.32.0/19 AS7332 IQUEST-AS IQuest Internet 199.202.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 202.3.144.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.146.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.147.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.148.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.149.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.150.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.152.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.154.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.155.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.157.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.158.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.159.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.4.252.0/22 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.4.255.0/24 AS4799 UNSPECIFIED Ji Tong Communications Co., Ltd. 202.6.96.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.97.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.99.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.10.72.0/21 AS9716 AUSTAR-AS-AP Austar Entertainement 202.44.112.0/20 AS17458 CWNETDG-IO-AP Cable and Wireless 202.122.76.0/24 AS17553 TIMELESS-AP System Integration provider 202.130.224.0/20 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.130.240.0/21 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.130.248.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 202.130.252.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 202.136.254.0/23 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.136.254.0/24 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.140.230.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.232.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.234.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.235.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 202.142.130.0/23 AS17820 DIL-AP DIRECT INTERNET LTD. 202.142.132.0/22 AS17820 DIL-AP DIRECT INTERNET LTD. 202.143.48.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.143.56.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.161.0.0/19 AS10097 FLOWCOM flow communications level 2 541 kent st sydney nsw 2000 202.161.0.0/21 AS4634 -No Whois Entry- 202.161.8.0/21 AS4634 -No Whois Entry- 202.164.192.0/19 AS7599 IPXC-AS-AP IP Exchange 202.165.0.0/19 AS9443 INTERNETPRIMUS-AS-AP Primus Telecommunications 202.173.32.0/19 AS9671 APNIC-AS-3-BLOCK Asia Pacific Network Information Centre 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.76.128.0/24 AS9729 IS-AP iAdvantage Limited 203.76.224.0/24 AS9549 COMDEK-ISP-AS-AP Comdek ISP 203.78.125.0/24 AS17653 PCM-HK-AP Pacific Century Matrix 203.86.2.0/23 AS4058 APNIC-4058 Asia Pacific Network Information Centre 203.90.192.0/20 AS9658 ETPI-IDS-AS-AP Eastern Telecoms Phils., Inc. 203.135.99.0/24 AS2687 IBM-MMD-AS IBM 203.135.224.0/19 AS4058 APNIC-4058 Asia Pacific Network Information Centre 204.19.224.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 204.29.189.0/24 AS11755 WAYMARKCOMM Waymark Internet Services, Inc. 204.52.232.0/24 AS7177 DFWNET DFW Internet Services, Inc. 204.89.225.0/24 AS2495 KANREN Kansas Research and Education Network 204.154.240.0/21 AS11572 MEDIACOM Mediacom,llc / RidgeNet 204.194.110.0/23 AS10588 ICSNET Intelligent Computer Solutions, Inc 205.150.0.0/15 AS701 ALTERNET-AS UUNET Technologies, Inc. 206.41.32.0/19 AS14824 NEWSOUTH NewSouth Communications Corp. 206.81.187.0/24 AS19194 JOVITA Sentris Network LLC 206.82.64.0/18 AS7029 ALLTELNET Alltel Information Services, Inc. 206.108.34.0/24 AS852 ASN852 Telus Advanced Communications 206.108.35.0/24 AS852 ASN852 Telus Advanced Communications 206.126.0.0/19 AS5750 FLEXNET-HAWAII FlexNet Inc. 206.167.57.0/24 AS376 RISQ-AS Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 206.251.69.0/24 AS27429 TIL Telesat International Ltd. 207.47.39.0/24 AS816 UUNET-AS4 UUNET Technologies, Inc. 207.92.0.0/14 AS2551 ICG ICG NetAhead, Inc. 207.162.192.0/19 AS4589 EASYNET Easynet Group Plc 207.231.96.0/19 AS11194 NUNETPA NuNet Inc 208.65.232.0/23 AS701 ALTERNET-AS UUNET Technologies, Inc. 208.81.187.0/24 AS19194 JOVITA Sentris Network LLC 208.104.103.0/24 AS1239 SPRINTLINK Sprint 209.104.198.0/24 AS6137 SISNA SISNA, Inc. 209.104.199.0/24 AS6137 SISNA SISNA, Inc. 209.104.218.0/24 AS6137 SISNA SISNA, Inc. 209.104.219.0/24 AS6137 SISNA SISNA, Inc. 209.104.252.0/22 AS12030 PACIFIC-ONLINE-PON Pacific Online Services 209.108.0.0/14 AS2551 ICG ICG NetAhead, Inc. 209.151.128.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 209.160.73.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.160.209.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.169.219.0/24 AS189 GENUITY-AS189 Genuity 209.169.223.0/24 AS189 GENUITY-AS189 Genuity 209.172.0.0/18 AS7770 TRITON Triton Technologies, Inc. 209.213.32.0/19 AS10629 INTERPAC Inter-Pacific Network Services 209.213.50.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.51.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.55.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.56.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.160.0/19 AS4355 ERMS-EARTHLNK EARTHLINK, INC 209.222.137.0/24 AS27429 TIL Telesat International Ltd. 209.240.96.0/19 AS10815 KCNET KCnet, Inc. 209.251.0.0/19 AS11036 SISCOM SISCOM, Inc 209.251.64.0/19 AS10266 NETWAY-AS MDC, Inc. 210.4.20.0/22 AS10095 AS10095 Segmentation Fault 210.4.60.0/24 AS10095 AS10095 Segmentation Fault 210.4.61.0/24 AS10095 AS10095 Segmentation Fault 211.27.156.0/24 AS9768 PUBNET1-AS KT 216.18.224.0/21 AS11458 IMBRIS IMBRIS, INC. 216.18.224.0/22 AS11458 IMBRIS IMBRIS, INC. 216.18.228.0/22 AS11458 IMBRIS IMBRIS, INC. 216.47.32.0/19 AS11304 SPLUS Solutions Plus Inc. 216.96.128.0/18 AS7018 ATT-INTERNET4 AT&T WorldNet Services 216.115.178.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.179.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.182.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.183.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.184.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.189.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.190.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.191.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.153.0.0/17 AS6203 ISDN-NET ISDN-Net Inc. 216.211.177.0/24 AS14473 KNET KNet, Inc. 216.226.108.0/22 AS3602 SPRINT-CA-AS Sprint Canada Inc. Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org

1 0

Weekly Routing Table Report
by Routing Table Analysis 20 Jun '03

20 Jun '03

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats(a)lists.apnic.net If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 20:00 +10GMT Fri 20 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 125820 Prefixes after maximum aggregation: 79010 Unique aggregates announced to Internet: 59502 Total ASes present in the Internet Routing Table: 15384 Origin-only ASes present in the Internet Routing Table: 13338 Origin ASes announcing only one prefix: 6045 Transit ASes present in the Internet Routing Table: 2046 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 17 Number of addresses announced to Internet: 1252521120 Equivalent to 74 /8s, 167 /16s and 244 /24s Percentage of available address space announced: 33.8 Percentage of allocated address space announced: 60.4 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 55442 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21467 Total APNIC prefixes after maximum aggregation: 12556 Prefixes being announced from the APNIC address blocks: 19908 Unique aggregates announced from the APNIC address blocks: 12225 APNIC Region origin ASes present in the Internet Routing Table: 1823 APNIC Region origin ASes announcing only one prefix: 526 APNIC Region transit ASes present in the Internet Routing Table: 297 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 115912352 Equivalent to 6 /8s, 232 /16s and 174 /24s Percentage of available APNIC address space announced: 62.5 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 77230 Total ARIN prefixes after maximum aggregation: 48181 Prefixes being announced from the ARIN address blocks: 55477 Unique aggregates announced from the ARIN address blocks: 16498 ARIN Region origin ASes present in the Internet Routing Table: 8492 ARIN Region origin ASes announcing only one prefix: 2901 ARIN Region transit ASes present in the Internet Routing Table: 818 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 193233408 Equivalent to 11 /8s, 132 /16s and 130 /24s Percentage of available ARIN address space announced: 72.0 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153 3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466 7723 - 8191, 10240 - 12287, 13312 - 15359 16384 - 17407, 18432 - 20479, 21504 - 23551 25600 - 26591, 26624 - 27647, 29695 - 30719 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 21714 Total RIPE prefixes after maximum aggregation: 16015 Prefixes being announced from the RIPE address blocks: 18214 Unique aggregates announced from the RIPE address blocks: 12225 RIPE Region origin ASes present in the Internet Routing Table: 4659 RIPE Region origin ASes announcing only one prefix: 2531 RIPE Region transit ASes present in the Internet Routing Table: 831 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 132361024 Equivalent to 7 /8s, 227 /16s and 171 /24s Percentage of available RIPE address space announced: 71.7 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 RIPE Address Blocks 62/8, 80/7, 82/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5408 Total LACNIC prefixes after maximum aggregation: 2258 Prefixes being announced from the LACNIC address blocks: 4804 Unique aggregates announced from the LACNIC address blocks: 3014 LACNIC Region origin ASes present in the Internet Routing Table: 336 LACNIC Region origin ASes announcing only one prefix: 87 LACNIC Region transit ASes present in the Internet Routing Table: 68 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 12777216 Equivalent to 0 /8s, 194 /16s and 247 /24s Percentage of available LACNIC address space announced: 38.1 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1058 1070 752 Telstra Pty Ltd 4755 400 133 67 Videsh Sanchar Nigam Ltd. Aut 2907 374 1895 350 SINET Japan 17557 346 24 151 Pakistan Telecom 703 335 371 268 UUNET 2764 307 325 274 connect.com.au pty ltd 7474 271 306 204 Optus Communications Pty Ltd 17676 250 3862 19 XTAGE CORPORATION 3786 244 773 211 DACOM Corporation 9583 230 37 21 Satyam Infoway Ltd., 4134 222 1915 112 Data Communications Bureau 4766 212 2475 159 Korea Internet Exchange for " 9800 186 302 61 CHINA UNICOM 9443 182 58 82 Primus Telecommunications 9498 166 11 28 BHARTI BT INTERNET LTD. 4739 139 58 127 Commerical Internet eXchange 9929 139 169 34 China Netcom Corp. 4716 128 745 122 TTnet 9238 127 8 21 TATA ISP 7539 126 154 100 TANet2, sponsored by NSC, TAI ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1543 8833 1088 UUNET Technologies, Inc. 7018 1337 7180 922 AT&T 1239 952 3020 670 Sprint 7132 923 6573 229 Southwestern Bell Internet Se 3908 906 1548 477 Supernet, Inc. 189 683 340 296 Genuity 11305 647 170 72 Interland Incorporated 7843 614 360 173 Adelphia Corp. 1 610 2602 412 GENUITY 4323 601 525 175 Time Warner Communications, I 18566 601 160 8 Covad Communications 852 527 1124 416 Telus Advanced Communications 6197 518 350 212 BellSouth Network Solutions, 705 510 273 333 UUNET Technologies, Inc. 209 501 2108 303 Qwest 7066 488 204 261 Virginia Polytechnic Institut 6198 473 231 182 BellSouth Network Solutions, 20115 463 194 284 Charter Communications 690 450 65 293 Merit Network 2386 407 542 235 AT&T Data Communications Serv RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 746 2172 633 UUNET - Commercial IP service 3301 303 1171 290 TeliaNet Sweden 3320 266 2004 228 Deutsche Telekom AG 719 264 307 125 LANLINK autonomous system 3215 261 834 150 France Telecom Transpac 680 232 2053 229 DFN-IP service G-WiN 8220 225 384 213 COLT Internet - International 1257 223 311 185 SWIPnet Swedish IP Network 5400 204 143 123 BT Ignite European Backbone 786 179 1874 179 The JANET IP Service 5515 179 795 150 Sonera Solution Autonomous Sy 8708 153 44 150 Romania Data Systems S.A. 3303 140 549 137 Swisscom Ltd 12302 127 18 34 MobiFon S.A. 2856 124 1315 114 BTnet UK Regional network 3246 120 384 116 Song Networks 3269 118 823 65 TELECOM ITALIA 3352 109 780 32 Ibernet, Internet Access Netw 5511 101 178 81 France Telecom 2647 97 4129 39 SITA LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 297 98 107 ImpSat 7303 237 37 58 Telecom Argentina Stet-France 8151 215 350 117 UniNet S.A. de C.V. 11172 170 66 40 Servicios Alestra S.A de C.V 16814 135 9 17 NSS, S.A. 6503 130 189 93 AVANTEL, S.A. 10620 115 7 32 TVCABLE BOGOTA 11340 105 3 33 Red Universitaria Nacional 6147 99 70 21 Telefonica Del Peru 11992 89 8 38 Integrated Systems 13999 86 36 8 Mega Cable S.A. de C.V. 8065 80 9 16 Empresas Publicas de Medellin 6535 75 5 18 Chilesat Servicios Empresari 1916 73 306 43 Fundacao de Amparo a Pesquisa 15311 72 12 36 Telefonica Empresas 11311 69 7 13 Sinectis S.A. 4270 68 18 9 Red de Interconexion Universi 11830 67 5 27 Instituto Costarricense de El 7080 64 4 1 Electronica y Comunicaciones 7927 64 5 39 Global One Venezuela Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7132 923 694 Southwestern Bell Internet Se 18566 601 593 Covad Communications 11305 647 575 Interland Incorporated 7843 614 441 Adelphia Corp. 3908 906 429 Supernet, Inc. 4323 601 426 Time Warner Communications, I 7018 1337 415 AT&T 189 683 387 Genuity 4755 400 333 Videsh Sanchar Nigam Ltd. Aut 1221 1058 306 Telstra Pty Ltd 6197 518 306 BellSouth Network Solutions, 27364 319 301 Armstrong Cable Services 4355 397 294 EarthLink, Inc. 6198 473 291 BellSouth Network Solutions, 6347 368 288 SAVVIS Communications Corpora 1239 952 282 Sprint 376 383 267 Reseau Interordinateurs Scien 22909 277 265 Comcast Cable Corporation 17676 250 231 XTAGE CORPORATION 7066 488 227 Virginia Polytechnic Institut List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 158.0.0.0/13 568 DISO-UNRRA 172.208.0.0/14 1668 GNN Hosting Service 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.153.136.0/21 568 DISO-UNRRA 192.158.254.0/24 705 UUNET Technologies, Inc. 192.172.0.0/19 568 DISO-UNRRA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:20 /9:5 /10:8 /11:13 /12:53 /13:99 /14:257 /15:470 /16:7428 /17:1699 /18:3003 /19:8483 /20:8532 /21:6169 /22:9086 /23:10664 /24:69249 /25:157 /26:252 /27:57 /28:42 /29:26 /30:21 /31:0 /32:27 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 189 606 683 Genuity 18566 595 601 Covad Communications 11305 573 647 Interland Incorporated 3908 570 906 Supernet, Inc. 7018 469 1337 AT&T 702 456 746 UUNET - Commercial IP service 701 432 1543 UUNET Technologies, Inc. 690 408 450 Merit Network 6197 390 518 BellSouth Network Solutions, 7066 384 488 Virginia Polytechnic Institut 7843 373 614 Adelphia Corp. 6198 370 473 BellSouth Network Solutions, 1239 358 952 Sprint 20115 323 463 Charter Communications 27364 313 319 Armstrong Cable Services 19262 227 268 Verizon Global Networks 1 223 610 GENUITY 4355 217 397 EarthLink, Inc. 3320 207 266 Deutsche Telekom AG 705 203 510 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:707 13:1 15:4 16:1 17:3 20:7 24:856 25:1 32:95 38:40 40:21 44:2 57:17 61:254 62:362 63:1869 64:1941 65:1971 66:2585 67:177 68:371 69:178 80:366 81:123 128:135 129:172 130:47 131:79 132:26 134:174 135:4 136:116 137:107 138:108 139:64 140:168 141:122 142:94 143:42 144:105 145:14 146:272 147:97 148:291 149:60 150:69 151:69 152:231 153:61 154:7 155:116 156:53 157:45 158:123 159:139 160:43 161:75 162:130 163:77 164:312 165:142 166:95 167:320 168:171 169:73 170:315 171:8 192:5321 193:2450 194:1953 195:1061 196:479 198:3586 199:2718 200:2964 202:3805 203:5211 204:3003 205:2048 206:2338 207:2434 208:2600 209:2893 210:835 211:353 212:971 213:822 214:19 215:23 216:3566 217:639 218:89 219:45 220:95 221:3 End of report

1 0

The Cidr Report
by cidr-report＠potaroo.net 13 Jun '03

13 Jun '03

This report has been generated at Fri Jun 13 21:46:40 2003 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 06-06-03 122422 87154 07-06-03 122772 87221 08-06-03 122836 87199 09-06-03 122724 87175 10-06-03 122603 87211 11-06-03 122581 87288 12-06-03 122787 87267 13-06-03 122864 87343 AS Summary 15267 Number of ASes in routing system 6029 Number of ASes announcing only one prefix 1520 Largest number of prefixes announced by an AS AS701 : ALTERNET-AS UUNET Technologies, Inc. 73222912 Largest address span announced by an AS (/32s) AS568 : SUMNET-AS DISO-UNRRA Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 13Jun03 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 122896 87333 35563 28.9% All ASes AS7132 1016 228 788 77.6% SBIS-AS SBC Internet Services - Southwest AS11305 647 137 510 78.8% INTERLAND-NET1 Interland Incorporated AS701 1520 1076 444 29.2% ALTERNET-AS UUNET Technologies, Inc. AS7843 618 174 444 71.8% ADELPHIA-AS Adelphia Corp. AS4323 602 179 423 70.3% TW-COMM Time Warner Communications, Inc. AS7018 1341 933 408 30.4% ATT-INTERNET4 AT&T WorldNet Services AS3908 896 527 369 41.2% SUPERNETASBLK SuperNet, Inc. AS4755 397 79 318 80.1% VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System AS1221 1077 768 309 28.7% ASN-TELSTRA Telstra Pty Ltd AS4355 398 111 287 72.1% ERMS-EARTHLNK EARTHLINK, INC AS6197 493 207 286 58.0% BATI-ATL BellSouth Network Solutions, Inc AS6198 468 184 284 60.7% BATI-MIA BellSouth Network Solutions, Inc AS22927 298 15 283 95.0% AR-TEAR2-LACNIC TELEFONICA DE ARGENTINA AS1239 956 674 282 29.5% SPRINTLINK Sprint AS6347 364 91 273 75.0% DIAMOND SAVVIS Communications Corporation AS27364 312 82 230 73.7% ACS-INTERNET Armstrong Cable Services AS17676 250 24 226 90.4% GIGAINFRA XTAGE CORPORATION AS22773 218 8 210 96.3% CCINET-2 Cox Communications Inc. Atlanta AS209 494 302 192 38.9% ASN-QWEST Qwest AS17557 339 159 180 53.1% PKTELECOM-AS-AP Pakistan Telecom AS705 509 332 177 34.8% ALTERNET-AS UUNET Technologies, Inc. AS2048 259 88 171 66.0% LANET-1 State of Louisiana AS2386 402 235 167 41.5% INS-AS AT&T Data Communications Services AS6327 189 24 165 87.3% SHAWFIBER Shaw Fiberlink Limited AS13601 205 46 159 77.6% ASN-INNERHOST Innerhost, Inc. AS4200 178 21 157 88.2% AGIS-NET Apex Global Information Services, Inc. AS690 448 293 155 34.6% MERIT-AS-27 Merit Network Inc. AS20115 462 310 152 32.9% CHARTER-NET-HKY-NC Charter Communications AS3602 226 78 148 65.5% SPRINT-CA-AS Sprint Canada Inc. AS2686 256 111 145 56.6% AS2686 AT&T Global Network Services - EMEA Total 15838 7496 8342 52.7% Top 30 total Possible Bogus Routes 24.2.128.0/21 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.7.10.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.11.98.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.14.197.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.18.132.0/23 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.23.8.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.119.0.0/16 AS11492 CABLEONE CABLE ONE 24.180.60.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.185.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.186.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.187.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.188.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.189.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.191.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.223.128.0/17 AS11060 NEO-RR-COM Time Warner Cable Northeast Ohio 61.12.32.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 61.12.34.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 64.30.64.0/19 AS14900 USLEC-CORP-1 USLEC Corp. 65.2.165.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.145.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.146.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.147.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.150.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.151.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.8.0.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.11.200.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.11.201.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.15.117.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 66.41.192.0/18 AS13367 ATT-BBND-B AT&T Broadband 69.51.192.0/20 AS5769 VIDEOTRON Videotron Telecom Ltee 69.54.128.0/20 AS19939 BCTELCO Beaver Creek Cooperative Telephone Company 132.0.0.0/10 AS568 SUMNET-AS DISO-UNRRA 137.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 138.136.0.0/13 AS568 SUMNET-AS DISO-UNRRA 140.240.0.0/13 AS1 GNTY-1 Genuity 158.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 165.212.0.0/16 AS7424 USANET USA.Net 166.16.0.0/16 AS7132 SBIS-AS SBC Internet Services - Southwest 171.64.0.0/10 AS1 GNTY-1 Genuity 192.43.230.0/24 AS4738 SAARDNET-AS South Australian Academic Research and Development Network 192.44.0.0/19 AS702 ALTERNET-AS UUNET Technologies, Inc. 192.83.16.0/20 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.32.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.64.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.96.0/22 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.100.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.119.135.0/24 AS270 PSCNI-AS National Aeronautics and Space Administration 192.124.252.0/22 AS680 AS680 DFN-IP service G-WiN 192.135.50.0/24 AS7018 ATT-INTERNET4 AT&T WorldNet Services 192.136.79.0/24 AS719 AS719 LANLINK autonomous system 192.153.136.0/21 AS568 SUMNET-AS DISO-UNRRA 192.153.144.0/21 AS568 SUMNET-AS DISO-UNRRA 192.172.0.0/19 AS568 SUMNET-AS DISO-UNRRA 192.188.208.0/20 AS568 SUMNET-AS DISO-UNRRA 192.228.0.0/16 AS4637 REACH Reach Network Border AS 192.243.32.0/23 AS2044 PALIN-AS Palin Aquisitions Inc. 198.23.26.0/24 AS4390 BELLATLANTIC-COM Bell Atlantic, Inc. 198.97.72.0/21 AS568 SUMNET-AS DISO-UNRRA 198.97.80.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.88.0/24 AS89 NUSC-CSTLNET-AS Naval Underwater Systems Center 198.97.192.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.240.0/20 AS568 SUMNET-AS DISO-UNRRA 198.98.8.0/21 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 198.101.4.0/22 AS568 SUMNET-AS DISO-UNRRA 198.136.32.0/20 AS19329 MCNET Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY-NET CityNet, Inc. 198.161.87.0/24 AS6539 GROUPTLCOM GT Group Telecom Services Corp. 198.161.165.0/24 AS852 ASN852 Telus Advanced Communications 198.163.155.0/24 AS684 MBNET-AS Manitoba Regional Network 198.167.0.0/16 AS7456 INTERHOP Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 198.168.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASKTEL SaskTel 198.232.133.0/24 AS23075 SKOTOS-AS Skotos Tech, Inc 199.10.0.0/16 AS568 SUMNET-AS DISO-UNRRA 199.60.0.0/20 AS271 BCNET-AS University of British Columbia 199.79.32.0/20 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 199.84.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 199.114.0.0/18 AS568 SUMNET-AS DISO-UNRRA 199.114.0.0/21 AS568 SUMNET-AS DISO-UNRRA 199.114.128.0/18 AS568 SUMNET-AS DISO-UNRRA 199.120.32.0/19 AS16582 NEXTLEVELINTERNET NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS568 SUMNET-AS DISO-UNRRA 199.123.16.0/20 AS568 SUMNET-AS DISO-UNRRA 199.123.80.0/21 AS568 SUMNET-AS DISO-UNRRA 199.167.25.0/24 AS701 ALTERNET-AS UUNET Technologies, Inc. 199.189.32.0/19 AS7332 IQUEST-AS IQuest Internet 199.202.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 202.3.144.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.146.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.147.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.148.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.149.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.150.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.152.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.154.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.155.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.157.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.158.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.159.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.4.252.0/22 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.4.255.0/24 AS4799 UNSPECIFIED Ji Tong Communications Co., Ltd. 202.6.96.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.97.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.99.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.8.128.0/19 AS202 GENUITY-AS199-203 Genuity 202.44.112.0/20 AS17458 CWNETDG-IO-AP Cable and Wireless 202.122.76.0/24 AS17553 TIMELESS-AP System Integration provider 202.130.224.0/20 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.130.240.0/21 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.130.248.0/21 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.130.248.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 202.130.252.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 202.136.254.0/23 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.136.254.0/24 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.140.230.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.232.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.234.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.235.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 202.142.130.0/23 AS17820 DIL-AP DIRECT INTERNET LTD. 202.142.132.0/22 AS17820 DIL-AP DIRECT INTERNET LTD. 202.143.48.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.143.56.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.161.0.0/19 AS10097 FLOWCOM flow communications level 2 541 kent st sydney nsw 2000 202.161.0.0/21 AS4634 -No Whois Entry- 202.161.8.0/21 AS4634 -No Whois Entry- 202.164.192.0/19 AS7599 IPXC-AS-AP IP Exchange 202.165.0.0/19 AS9443 INTERNETPRIMUS-AS-AP Primus Telecommunications 202.173.32.0/19 AS9671 APNIC-AS-3-BLOCK Asia Pacific Network Information Centre 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.76.128.0/24 AS9729 IS-AP iAdvantage Limited 203.76.224.0/24 AS9549 COMDEK-ISP-AS-AP Comdek ISP 203.78.125.0/24 AS17653 PCM-HK-AP Pacific Century Matrix 203.86.2.0/23 AS4058 APNIC-4058 Asia Pacific Network Information Centre 203.90.192.0/20 AS9658 ETPI-IDS-AS-AP Eastern Telecoms Phils., Inc. 203.135.99.0/24 AS2687 IBM-MMD-AS IBM 203.135.224.0/19 AS4058 APNIC-4058 Asia Pacific Network Information Centre 204.19.224.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 204.29.189.0/24 AS11755 WAYMARKCOMM Waymark Internet Services, Inc. 204.52.232.0/24 AS7177 DFWNET DFW Internet Services, Inc. 204.89.225.0/24 AS2495 KANREN Kansas Research and Education Network 204.154.240.0/21 AS11572 MEDIACOM Mediacom,llc / RidgeNet 204.194.110.0/23 AS10588 ICSNET Intelligent Computer Solutions, Inc 205.150.0.0/15 AS701 ALTERNET-AS UUNET Technologies, Inc. 205.173.248.0/21 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide 206.41.32.0/19 AS14824 NEWSOUTH NewSouth Communications Corp. 206.81.187.0/24 AS19194 JOVITA Sentris Network LLC 206.82.64.0/18 AS7029 ALLTELNET Alltel Information Services, Inc. 206.108.34.0/24 AS852 ASN852 Telus Advanced Communications 206.108.35.0/24 AS852 ASN852 Telus Advanced Communications 206.126.0.0/19 AS5750 FLEXNET-HAWAII FlexNet Inc. 206.167.57.0/24 AS376 RISQ-AS Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 206.251.69.0/24 AS27429 TIL Telesat International Ltd. 207.47.39.0/24 AS816 UUNET-AS4 UUNET Technologies, Inc. 207.92.0.0/14 AS2551 ICG ICG NetAhead, Inc. 207.162.192.0/19 AS4589 EASYNET Easynet Group Plc 207.231.96.0/19 AS11194 NUNETPA NuNet Inc 208.65.232.0/23 AS701 ALTERNET-AS UUNET Technologies, Inc. 208.81.187.0/24 AS19194 JOVITA Sentris Network LLC 208.104.103.0/24 AS1239 SPRINTLINK Sprint 209.104.198.0/24 AS6137 SISNA SISNA, Inc. 209.104.199.0/24 AS6137 SISNA SISNA, Inc. 209.104.218.0/24 AS6137 SISNA SISNA, Inc. 209.104.219.0/24 AS6137 SISNA SISNA, Inc. 209.104.252.0/22 AS12030 PACIFIC-ONLINE-PON Pacific Online Services 209.108.0.0/14 AS2551 ICG ICG NetAhead, Inc. 209.151.128.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 209.160.70.0/23 AS13415 LUMIX Lumix Communications, Inc. 209.160.73.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.160.209.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.160.210.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.169.219.0/24 AS189 GENUITY-AS189 Genuity 209.169.223.0/24 AS189 GENUITY-AS189 Genuity 209.172.0.0/18 AS7770 TRITON Triton Technologies, Inc. 209.213.32.0/19 AS10629 INTERPAC Inter-Pacific Network Services 209.213.50.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.51.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.55.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.56.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.160.0/19 AS4355 ERMS-EARTHLNK EARTHLINK, INC 209.222.137.0/24 AS27429 TIL Telesat International Ltd. 209.240.96.0/19 AS10815 KCNET KCnet, Inc. 209.251.0.0/19 AS11036 SISCOM SISCOM, Inc 209.251.64.0/19 AS10266 NETWAY-AS MDC, Inc. 210.4.20.0/22 AS10095 AS10095 Segmentation Fault 210.4.60.0/24 AS10095 AS10095 Segmentation Fault 210.4.61.0/24 AS10095 AS10095 Segmentation Fault 211.27.156.0/24 AS9768 PUBNET1-AS KT 216.18.224.0/21 AS11458 IMBRIS IMBRIS, INC. 216.18.224.0/22 AS11458 IMBRIS IMBRIS, INC. 216.18.228.0/22 AS11458 IMBRIS IMBRIS, INC. 216.47.32.0/19 AS11304 SPLUS Solutions Plus Inc. 216.96.128.0/18 AS7018 ATT-INTERNET4 AT&T WorldNet Services 216.115.178.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.179.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.182.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.183.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.184.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.189.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.190.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.191.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.153.0.0/17 AS6203 ISDN-NET ISDN-Net Inc. 216.211.177.0/24 AS14473 KNET KNet, Inc. 216.226.108.0/22 AS3602 SPRINT-CA-AS Sprint Canada Inc. 217.18.96.0/19 AS16210 GRUPPOIH-AS Gruppo IH Srl Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org

1 0

Weekly Routing Table Report
by Routing Table Analysis 13 Jun '03

13 Jun '03

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats(a)lists.apnic.net If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 20:00 +10GMT Fri 13 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 126129 Prefixes after maximum aggregation: 79032 Unique aggregates announced to Internet: 59425 Total ASes present in the Internet Routing Table: 15334 Origin-only ASes present in the Internet Routing Table: 13292 Origin ASes announcing only one prefix: 6018 Transit ASes present in the Internet Routing Table: 2042 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 9 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 17 Number of addresses announced to Internet: 1251322176 Equivalent to 74 /8s, 149 /16s and 169 /24s Percentage of available address space announced: 33.8 Percentage of allocated address space announced: 60.3 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 55636 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21478 Total APNIC prefixes after maximum aggregation: 12586 Prefixes being announced from the APNIC address blocks: 19892 Unique aggregates announced from the APNIC address blocks: 12186 APNIC Region origin ASes present in the Internet Routing Table: 1817 APNIC Region origin ASes announcing only one prefix: 521 APNIC Region transit ASes present in the Internet Routing Table: 298 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 114817952 Equivalent to 6 /8s, 215 /16s and 251 /24s Percentage of available APNIC address space announced: 61.9 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 77450 Total ARIN prefixes after maximum aggregation: 48216 Prefixes being announced from the ARIN address blocks: 55548 Unique aggregates announced from the ARIN address blocks: 16496 ARIN Region origin ASes present in the Internet Routing Table: 8476 ARIN Region origin ASes announcing only one prefix: 2894 ARIN Region transit ASes present in the Internet Routing Table: 814 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 192875776 Equivalent to 11 /8s, 127 /16s and 13 /24s Percentage of available ARIN address space announced: 71.9 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153 3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466 7723 - 8191, 10240 - 12287, 13312 - 15359 16384 - 17407, 18432 - 20479, 21504 - 23551 25600 - 26591, 26624 - 27647, 29695 - 30719 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 21791 Total RIPE prefixes after maximum aggregation: 15988 Prefixes being announced from the RIPE address blocks: 18247 Unique aggregates announced from the RIPE address blocks: 12202 RIPE Region origin ASes present in the Internet Routing Table: 4634 RIPE Region origin ASes announcing only one prefix: 2516 RIPE Region transit ASes present in the Internet Routing Table: 830 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 132097536 Equivalent to 7 /8s, 223 /16s and 166 /24s Percentage of available RIPE address space announced: 71.6 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 RIPE Address Blocks 62/8, 80/7, 82/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5401 Total LACNIC prefixes after maximum aggregation: 2242 Prefixes being announced from the LACNIC address blocks: 4817 Unique aggregates announced from the LACNIC address blocks: 2991 LACNIC Region origin ASes present in the Internet Routing Table: 335 LACNIC Region origin ASes announcing only one prefix: 87 LACNIC Region transit ASes present in the Internet Routing Table: 67 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 12709120 Equivalent to 0 /8s, 193 /16s and 237 /24s Percentage of available LACNIC address space announced: 37.9 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1073 1087 764 Telstra Pty Ltd 4755 419 133 70 Videsh Sanchar Nigam Ltd. Aut 2907 374 1895 350 SINET Japan 17557 348 25 148 Pakistan Telecom 703 343 371 272 UUNET 2764 311 341 278 connect.com.au pty ltd 7474 274 306 205 Optus Communications Pty Ltd 17676 250 3862 19 XTAGE CORPORATION 3786 243 773 210 DACOM Corporation 4134 240 2066 119 Data Communications Bureau 9583 229 35 21 Satyam Infoway Ltd., 4766 212 2475 159 Korea Internet Exchange for " 9800 183 294 59 CHINA UNICOM 9443 182 58 82 Primus Telecommunications 9498 155 10 24 BHARTI BT INTERNET LTD. 4739 139 58 127 Commerical Internet eXchange 9238 135 8 18 TATA ISP 7539 130 156 104 TANet2, sponsored by NSC, TAI 4716 128 745 122 TTnet 9768 126 384 60 Korea Telecom ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1549 8897 1094 UUNET Technologies, Inc. 7018 1338 7181 927 AT&T 7132 1015 6572 227 Southwestern Bell Internet Se 1239 949 3018 667 Sprint 3908 915 1549 480 Supernet, Inc. 189 683 340 296 Genuity 11305 647 170 72 Interland Incorporated 7843 618 360 171 Adelphia Corp. 1 617 2603 419 GENUITY 4323 603 525 175 Time Warner Communications, I 18566 599 160 8 Covad Communications 852 527 1124 416 Telus Advanced Communications 705 510 273 333 UUNET Technologies, Inc. 209 494 2106 299 Qwest 6197 493 343 195 BellSouth Network Solutions, 7066 484 204 259 Virginia Polytechnic Institut 6198 466 230 177 BellSouth Network Solutions, 20115 462 194 283 Charter Communications 690 448 65 293 Merit Network 2386 403 506 235 AT&T Data Communications Serv RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 750 2174 636 UUNET - Commercial IP service 3301 304 1171 291 TeliaNet Sweden 3215 284 864 159 France Telecom Transpac 5515 281 795 150 Sonera Solution Autonomous Sy 3320 265 2004 227 Deutsche Telekom AG 719 261 307 124 LANLINK autonomous system 680 232 2053 229 DFN-IP service G-WiN 8220 224 384 212 COLT Internet - International 1257 223 315 185 SWIPnet Swedish IP Network 5400 220 139 129 BT Ignite European Backbone 786 179 1874 179 The JANET IP Service 8708 152 44 149 Romania Data Systems S.A. 3303 140 549 137 Swisscom Ltd 12302 128 18 35 MobiFon S.A. 2856 123 1315 113 BTnet UK Regional network 3246 118 366 114 Song Networks 3269 118 823 65 TELECOM ITALIA 3352 109 780 32 Ibernet, Internet Access Netw 2647 99 4129 39 SITA 5511 95 177 76 France Telecom LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 296 98 109 ImpSat 7303 238 37 57 Telecom Argentina Stet-France 8151 214 350 117 UniNet S.A. de C.V. 11172 171 66 40 Servicios Alestra S.A de C.V 16814 135 9 17 NSS, S.A. 6503 130 189 93 AVANTEL, S.A. 10620 115 7 32 TVCABLE BOGOTA 11340 105 3 33 Red Universitaria Nacional 6147 97 70 21 Telefonica Del Peru 11992 90 9 34 Integrated Systems 13999 86 36 8 Mega Cable S.A. de C.V. 8065 82 9 16 Empresas Publicas de Medellin 6535 74 5 21 Chilesat Servicios Empresari 1916 73 306 43 Fundacao de Amparo a Pesquisa 15311 71 12 35 Telefonica Empresas 11311 69 7 13 Sinectis S.A. 4270 68 18 9 Red de Interconexion Universi 11830 66 4 27 Instituto Costarricense de El 7927 65 5 40 Global One Venezuela 7080 64 4 1 Electronica y Comunicaciones Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7132 1015 788 Southwestern Bell Internet Se 18566 599 591 Covad Communications 11305 647 575 Interland Incorporated 7843 618 447 Adelphia Corp. 3908 915 435 Supernet, Inc. 4323 603 428 Time Warner Communications, I 7018 1338 411 AT&T 189 683 387 Genuity 4755 419 349 Videsh Sanchar Nigam Ltd. Aut 1221 1073 309 Telstra Pty Ltd 6197 493 298 BellSouth Network Solutions, 4355 398 294 EarthLink, Inc. 27364 312 294 Armstrong Cable Services 6198 466 289 BellSouth Network Solutions, 22927 298 285 TELEFONICA DE ARGENTINA 6347 363 284 SAVVIS Communications Corpora 1239 949 282 Sprint 376 383 267 Reseau Interordinateurs Scien 22909 276 264 Comcast Cable Corporation 17676 250 231 XTAGE CORPORATION List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65516 PRIVATE 61.232.70.0/24 17621 China Netcom Corp. 65516 PRIVATE 61.232.71.0/24 17621 China Netcom Corp. 65516 PRIVATE 61.232.72.0/22 17621 China Netcom Corp. 1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p 64811 PRIVATE 211.154.136.0/23 4813 China Telecom(Group) 64811 PRIVATE 211.154.138.0/23 4813 China Telecom(Group) 64811 PRIVATE 211.154.152.0/23 4813 China Telecom(Group) 64811 PRIVATE 211.154.154.0/23 4813 China Telecom(Group) 65501 PRIVATE 218.144.170.128/26 4766 Korea Internet Excha Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 158.0.0.0/13 568 DISO-UNRRA 172.208.0.0/14 1668 GNN Hosting Service 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.153.136.0/21 568 DISO-UNRRA 192.158.254.0/24 705 UUNET Technologies, Inc. 192.172.0.0/19 568 DISO-UNRRA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:20 /9:5 /10:8 /11:13 /12:53 /13:99 /14:256 /15:470 /16:7426 /17:1692 /18:2993 /19:8480 /20:8562 /21:6138 /22:9082 /23:10660 /24:69576 /25:165 /26:256 /27:58 /28:41 /29:26 /30:23 /31:0 /32:27 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 189 606 683 Genuity 18566 593 599 Covad Communications 3908 573 915 Supernet, Inc. 11305 573 647 Interland Incorporated 7018 466 1338 AT&T 702 458 750 UUNET - Commercial IP service 701 433 1549 UUNET Technologies, Inc. 690 406 448 Merit Network 7066 381 484 Virginia Polytechnic Institut 7843 378 618 Adelphia Corp. 6197 368 493 BellSouth Network Solutions, 6198 364 466 BellSouth Network Solutions, 1239 358 949 Sprint 20115 323 462 Charter Communications 27364 306 312 Armstrong Cable Services 22927 236 298 TELEFONICA DE ARGENTINA 1 225 617 GENUITY 19262 221 257 Verizon Global Networks 4355 217 398 EarthLink, Inc. 3215 213 284 France Telecom Transpac Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:704 13:1 15:4 16:1 17:3 20:7 24:854 25:1 32:95 38:40 40:21 44:2 57:17 61:261 62:343 63:1875 64:1950 65:1967 66:2581 67:178 68:375 69:202 80:361 81:129 128:142 129:176 130:47 131:81 132:26 134:174 135:4 136:116 137:106 138:109 139:64 140:158 141:120 142:94 143:43 144:106 145:16 146:272 147:97 148:288 149:61 150:44 151:70 152:231 153:60 154:7 155:116 156:54 157:45 158:127 159:138 160:43 161:76 162:130 163:77 164:312 165:143 166:94 167:318 168:408 169:61 170:312 171:8 192:5352 193:2474 194:2003 195:1057 196:474 198:3564 199:2717 200:2996 202:3793 203:5245 204:3001 205:2050 206:2369 207:2425 208:2593 209:2900 210:814 211:353 212:984 213:810 214:19 215:23 216:3554 217:628 218:89 219:44 220:94 221:3 End of report

1 0

The Cidr Report
by cidr-report＠potaroo.net 06 Jun '03

06 Jun '03

This report has been generated at Fri Jun 6 21:46:22 2003 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 30-05-03 123105 87146 31-05-03 122376 86932 01-06-03 122515 86903 02-06-03 122477 86963 03-06-03 122769 87032 04-06-03 122592 87189 05-06-03 122702 86976 06-06-03 122422 87204 AS Summary 15222 Number of ASes in routing system 6000 Number of ASes announcing only one prefix 1526 Largest number of prefixes announced by an AS AS701 : ALTERNET-AS UUNET Technologies, Inc. 73126144 Largest address span announced by an AS (/32s) AS568 : SUMNET-AS DISO-UNRRA Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 06Jun03 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 122696 87194 35502 28.9% All ASes AS7132 1015 227 788 77.6% SBIS-AS SBC Internet Services - Southwest AS11305 646 136 510 78.9% INTERLAND-NET1 Interland Incorporated AS701 1526 1077 449 29.4% ALTERNET-AS UUNET Technologies, Inc. AS7843 631 182 449 71.2% ADELPHIA-AS Adelphia Corp. AS4323 597 177 420 70.4% TW-COMM Time Warner Communications, Inc. AS7018 1332 928 404 30.3% ATT-INTERNET4 AT&T WorldNet Services AS3908 899 530 369 41.0% SUPERNETASBLK SuperNet, Inc. AS4755 406 84 322 79.3% VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System AS1221 1080 773 307 28.4% ASN-TELSTRA Telstra Pty Ltd AS4355 402 116 286 71.1% ERMS-EARTHLNK EARTHLINK, INC AS6197 491 206 285 58.0% BATI-ATL BellSouth Network Solutions, Inc AS6198 468 184 284 60.7% BATI-MIA BellSouth Network Solutions, Inc AS22927 298 15 283 95.0% AR-TEAR2-LACNIC TELEFONICA DE ARGENTINA AS1239 957 675 282 29.5% SPRINTLINK Sprint AS4814 297 19 278 93.6% CHINANET-BEIJING-AP China Telecom (Group) AS6347 362 90 272 75.1% DIAMOND SAVVIS Communications Corporation AS27364 315 83 232 73.7% ACS-INTERNET Armstrong Cable Services AS17676 250 24 226 90.4% GIGAINFRA XTAGE CORPORATION AS22773 217 8 209 96.3% CCINET-2 Cox Communications Inc. Atlanta AS17557 357 149 208 58.3% PKTELECOM-AS-AP Pakistan Telecom AS209 495 303 192 38.8% ASN-QWEST Qwest AS2386 439 250 189 43.1% INS-AS AT&T Data Communications Services AS705 509 332 177 34.8% ALTERNET-AS UUNET Technologies, Inc. AS2048 260 88 172 66.2% LANET-1 State of Louisiana AS6327 188 23 165 87.8% SHAWFIBER Shaw Fiberlink Limited AS13601 206 45 161 78.2% ASN-INNERHOST Innerhost, Inc. AS4200 178 21 157 88.2% AGIS-NET Apex Global Information Services, Inc. AS690 452 296 156 34.5% MERIT-AS-27 Merit Network Inc. AS20115 462 310 152 32.9% CHARTER-NET-HKY-NC Charter Communications AS3602 225 79 146 64.9% SPRINT-CA-AS Sprint Canada Inc. Total 15960 7430 8530 53.4% Top 30 total Possible Bogus Routes 24.2.128.0/21 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.7.10.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.11.98.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.14.197.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.18.132.0/23 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.23.8.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.119.0.0/16 AS11492 CABLEONE CABLE ONE 24.180.60.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.185.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.186.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.187.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.188.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.189.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.191.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.223.128.0/17 AS11060 NEO-RR-COM Time Warner Cable Northeast Ohio 61.12.32.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 61.12.34.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 64.30.64.0/19 AS14900 USLEC-CORP-1 USLEC Corp. 65.2.165.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.145.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.146.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.147.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.150.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.151.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.8.0.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.11.200.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.11.201.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.15.117.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 66.41.192.0/18 AS13367 ATT-BBND-B AT&T Broadband 68.192.0.0/13 AS6128 CABLE-NET-1 Cablevision Systems Corp. 68.192.0.0/14 AS6128 CABLE-NET-1 Cablevision Systems Corp. 69.50.160.0/20 AS27595 ATRIVO-AS Atrivo 132.0.0.0/10 AS568 SUMNET-AS DISO-UNRRA 137.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 138.136.0.0/13 AS568 SUMNET-AS DISO-UNRRA 140.240.0.0/13 AS1 GNTY-1 Genuity 158.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 165.212.0.0/16 AS7424 USANET USA.Net 166.16.0.0/16 AS7132 SBIS-AS SBC Internet Services - Southwest 171.64.0.0/10 AS1 GNTY-1 Genuity 192.16.52.0/24 AS1239 SPRINTLINK Sprint 192.43.230.0/24 AS4738 SAARDNET-AS South Australian Academic Research and Development Network 192.44.0.0/19 AS702 ALTERNET-AS UUNET Technologies, Inc. 192.83.16.0/20 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.32.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.64.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.96.0/22 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.100.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.119.135.0/24 AS270 PSCNI-AS National Aeronautics and Space Administration 192.124.252.0/22 AS680 AS680 DFN-IP service G-WiN 192.135.50.0/24 AS7018 ATT-INTERNET4 AT&T WorldNet Services 192.136.79.0/24 AS719 AS719 LANLINK autonomous system 192.136.135.0/24 AS1239 SPRINTLINK Sprint 192.153.136.0/21 AS568 SUMNET-AS DISO-UNRRA 192.153.144.0/21 AS568 SUMNET-AS DISO-UNRRA 192.172.0.0/19 AS568 SUMNET-AS DISO-UNRRA 192.188.208.0/20 AS568 SUMNET-AS DISO-UNRRA 192.228.0.0/16 AS4637 REACH Reach Network Border AS 192.243.32.0/23 AS2044 PALIN-AS Palin Aquisitions Inc. 198.23.26.0/24 AS4390 BELLATLANTIC-COM Bell Atlantic, Inc. 198.97.72.0/21 AS568 SUMNET-AS DISO-UNRRA 198.97.80.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.88.0/24 AS89 NUSC-CSTLNET-AS Naval Underwater Systems Center 198.97.192.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.240.0/20 AS568 SUMNET-AS DISO-UNRRA 198.98.8.0/21 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 198.101.4.0/22 AS568 SUMNET-AS DISO-UNRRA 198.136.32.0/20 AS19329 MCNET Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY-NET CityNet, Inc. 198.161.87.0/24 AS6539 GROUPTLCOM GT Group Telecom Services Corp. 198.161.165.0/24 AS852 ASN852 Telus Advanced Communications 198.163.155.0/24 AS684 MBNET-AS Manitoba Regional Network 198.167.0.0/16 AS7456 INTERHOP Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 198.168.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASKTEL SaskTel 198.232.133.0/24 AS23075 SKOTOS-AS Skotos Tech, Inc 199.10.0.0/16 AS568 SUMNET-AS DISO-UNRRA 199.60.0.0/20 AS271 BCNET-AS University of British Columbia 199.79.32.0/20 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 199.84.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 199.114.0.0/18 AS568 SUMNET-AS DISO-UNRRA 199.114.0.0/21 AS568 SUMNET-AS DISO-UNRRA 199.114.128.0/18 AS568 SUMNET-AS DISO-UNRRA 199.120.32.0/19 AS16582 NEXTLEVELINTERNET NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS568 SUMNET-AS DISO-UNRRA 199.123.16.0/20 AS568 SUMNET-AS DISO-UNRRA 199.123.80.0/21 AS568 SUMNET-AS DISO-UNRRA 199.167.25.0/24 AS701 ALTERNET-AS UUNET Technologies, Inc. 199.189.32.0/19 AS7332 IQUEST-AS IQuest Internet 199.202.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 202.3.144.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.145.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.146.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.147.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.148.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.149.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.150.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.151.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.152.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.153.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.154.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.155.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.156.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.157.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.158.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.159.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.4.252.0/22 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.4.255.0/24 AS4799 UNSPECIFIED Ji Tong Communications Co., Ltd. 202.6.96.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.97.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.99.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.44.112.0/20 AS17458 CWNETDG-IO-AP Cable and Wireless 202.79.0.0/20 AS4637 REACH Reach Network Border AS 202.89.200.0/24 AS7473 SINGTEL-AS-AP Singapore Telecom 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.93.64.0/19 AS9425 I-NEXT-AS-AP Inter.net Philippines border AS 202.122.76.0/24 AS17553 TIMELESS-AP System Integration provider 202.130.224.0/20 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.130.240.0/21 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.130.248.0/21 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.130.248.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 202.130.252.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 202.136.254.0/23 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.136.254.0/24 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.140.230.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.232.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.234.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.235.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 202.142.130.0/23 AS17820 DIL-AP DIRECT INTERNET LTD. 202.142.132.0/22 AS17820 DIL-AP DIRECT INTERNET LTD. 202.143.48.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.143.56.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.159.128.0/17 AS4622 UNSPECIFIED IndoInternet PT. 202.161.0.0/19 AS10097 FLOWCOM flow communications level 2 541 kent st sydney nsw 2000 202.161.0.0/21 AS4634 -No Whois Entry- 202.161.8.0/21 AS4634 -No Whois Entry- 202.164.192.0/19 AS7599 IPXC-AS-AP IP Exchange 202.165.0.0/19 AS9443 INTERNETPRIMUS-AS-AP Primus Telecommunications 202.173.32.0/19 AS9671 APNIC-AS-3-BLOCK Asia Pacific Network Information Centre 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.76.128.0/24 AS9729 IS-AP iAdvantage Limited 203.76.224.0/24 AS9549 COMDEK-ISP-AS-AP Comdek ISP 203.78.125.0/24 AS17653 PCM-HK-AP Pacific Century Matrix 203.86.2.0/23 AS4058 APNIC-4058 Asia Pacific Network Information Centre 203.90.192.0/20 AS9658 ETPI-IDS-AS-AP Eastern Telecoms Phils., Inc. 203.135.99.0/24 AS2687 IBM-MMD-AS IBM 203.135.224.0/19 AS4058 APNIC-4058 Asia Pacific Network Information Centre 204.19.224.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 204.29.189.0/24 AS11755 WAYMARKCOMM Waymark Internet Services, Inc. 204.52.232.0/24 AS7177 DFWNET DFW Internet Services, Inc. 204.89.225.0/24 AS2495 KANREN Kansas Research and Education Network 204.154.240.0/21 AS11572 MEDIACOM Mediacom,llc / RidgeNet 204.194.110.0/23 AS10588 ICSNET Intelligent Computer Solutions, Inc 205.150.0.0/15 AS701 ALTERNET-AS UUNET Technologies, Inc. 205.173.248.0/21 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide 206.41.32.0/19 AS14824 NEWSOUTH NewSouth Communications Corp. 206.81.187.0/24 AS19194 JOVITA Sentris Network LLC 206.82.64.0/18 AS7029 ALLTELNET Alltel Information Services, Inc. 206.108.34.0/24 AS852 ASN852 Telus Advanced Communications 206.108.35.0/24 AS852 ASN852 Telus Advanced Communications 206.126.0.0/19 AS5750 FLEXNET-HAWAII FlexNet Inc. 206.167.57.0/24 AS376 RISQ-AS Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 207.47.39.0/24 AS816 UUNET-AS4 UUNET Technologies, Inc. 207.92.0.0/14 AS2551 ICG ICG NetAhead, Inc. 207.162.192.0/19 AS4589 EASYNET Easynet Group Plc 207.231.96.0/19 AS11194 NUNETPA NuNet Inc 208.65.232.0/23 AS701 ALTERNET-AS UUNET Technologies, Inc. 208.81.187.0/24 AS19194 JOVITA Sentris Network LLC 208.101.8.0/24 AS3561 CWUSA Cable & Wireless USA 208.104.103.0/24 AS1239 SPRINTLINK Sprint 209.104.198.0/24 AS6137 SISNA SISNA, Inc. 209.104.199.0/24 AS6137 SISNA SISNA, Inc. 209.104.218.0/24 AS6137 SISNA SISNA, Inc. 209.104.219.0/24 AS6137 SISNA SISNA, Inc. 209.104.252.0/22 AS12030 PACIFIC-ONLINE-PON Pacific Online Services 209.108.0.0/14 AS2551 ICG ICG NetAhead, Inc. 209.151.128.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 209.160.70.0/23 AS13415 LUMIX Lumix Communications, Inc. 209.160.73.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.160.209.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.160.210.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.169.219.0/24 AS189 GENUITY-AS189 Genuity 209.169.223.0/24 AS189 GENUITY-AS189 Genuity 209.172.0.0/18 AS7770 TRITON Triton Technologies, Inc. 209.213.32.0/19 AS10629 INTERPAC Inter-Pacific Network Services 209.213.50.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.51.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.55.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.56.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.160.0/19 AS4355 ERMS-EARTHLNK EARTHLINK, INC 209.222.137.0/24 AS10494 AAI Accurate Automation, Inc. 209.240.96.0/19 AS10815 KCNET KCnet, Inc. 209.251.0.0/19 AS11036 SISCOM SISCOM, Inc 210.4.20.0/22 AS10095 AS10095 Segmentation Fault 210.4.60.0/24 AS10095 AS10095 Segmentation Fault 210.4.61.0/24 AS10095 AS10095 Segmentation Fault 210.16.128.0/24 AS9498 BBIL-AP BHARTI BT INTERNET LTD. 211.27.156.0/24 AS9768 PUBNET1-AS KT 216.18.224.0/21 AS11458 IMBRIS IMBRIS, INC. 216.18.224.0/22 AS11458 IMBRIS IMBRIS, INC. 216.18.228.0/22 AS11458 IMBRIS IMBRIS, INC. 216.47.32.0/19 AS11304 SPLUS Solutions Plus Inc. 216.67.224.0/19 AS25653 PEGASUS Pegasus Web Technologies 216.96.128.0/18 AS7018 ATT-INTERNET4 AT&T WorldNet Services 216.115.178.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.179.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.182.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.183.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.184.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.189.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.190.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.191.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.153.0.0/17 AS6203 ISDN-NET ISDN-Net Inc. 216.153.96.0/20 AS1239 SPRINTLINK Sprint 216.211.177.0/24 AS14473 KNET KNet, Inc. 216.226.108.0/22 AS3602 SPRINT-CA-AS Sprint Canada Inc. Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org

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Weekly Routing Table Report
by Routing Table Analysis 06 Jun '03

06 Jun '03

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats(a)lists.apnic.net If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 20:00 +10GMT Fri 06 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 125953 Prefixes after maximum aggregation: 78963 Unique aggregates announced to Internet: 59252 Total ASes present in the Internet Routing Table: 15289 Origin-only ASes present in the Internet Routing Table: 13266 Origin ASes announcing only one prefix: 6004 Transit ASes present in the Internet Routing Table: 2023 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 5.2 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 30 Number of addresses announced to Internet: 1233876800 Equivalent to 73 /8s, 139 /16s and 119 /24s Percentage of available address space announced: 33.3 Percentage of allocated address space announced: 59.5 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 55596 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21756 Total APNIC prefixes after maximum aggregation: 12616 Prefixes being announced from the APNIC address blocks: 20161 Unique aggregates announced from the APNIC address blocks: 12160 APNIC Region origin ASes present in the Internet Routing Table: 1808 APNIC Region origin ASes announcing only one prefix: 515 APNIC Region transit ASes present in the Internet Routing Table: 297 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 114662816 Equivalent to 6 /8s, 213 /16s and 157 /24s Percentage of available APNIC address space announced: 61.8 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 77202 Total ARIN prefixes after maximum aggregation: 48130 Prefixes being announced from the ARIN address blocks: 55311 Unique aggregates announced from the ARIN address blocks: 16369 ARIN Region origin ASes present in the Internet Routing Table: 8450 ARIN Region origin ASes announcing only one prefix: 2884 ARIN Region transit ASes present in the Internet Routing Table: 812 Average ARIN Region AS path length visible: 5.0 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 192464128 Equivalent to 11 /8s, 120 /16s and 197 /24s Percentage of available ARIN address space announced: 71.7 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153 3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466 7723 - 8191, 10240 - 12287, 13312 - 15359 16384 - 17407, 18432 - 20479, 21504 - 23551 25600 - 26591, 26624 - 27647, 29695 - 30719 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 21643 Total RIPE prefixes after maximum aggregation: 15966 Prefixes being announced from the RIPE address blocks: 18139 Unique aggregates announced from the RIPE address blocks: 12183 RIPE Region origin ASes present in the Internet Routing Table: 4629 RIPE Region origin ASes announcing only one prefix: 2520 RIPE Region transit ASes present in the Internet Routing Table: 818 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 131964416 Equivalent to 7 /8s, 221 /16s and 158 /24s Percentage of available RIPE address space announced: 71.5 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 RIPE Address Blocks 62/8, 80/7, 82/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5348 Total LACNIC prefixes after maximum aggregation: 2251 Prefixes being announced from the LACNIC address blocks: 4781 Unique aggregates announced from the LACNIC address blocks: 2991 LACNIC Region origin ASes present in the Internet Routing Table: 331 LACNIC Region origin ASes announcing only one prefix: 85 LACNIC Region transit ASes present in the Internet Routing Table: 68 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 12624640 Equivalent to 0 /8s, 192 /16s and 163 /24s Percentage of available LACNIC address space announced: 37.6 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1076 1103 769 Telstra Pty Ltd 4755 421 134 72 Videsh Sanchar Nigam Ltd. Aut 2907 374 1895 350 SINET Japan 17557 359 25 150 Pakistan Telecom 703 343 371 272 UUNET 2764 314 341 280 connect.com.au pty ltd 4814 297 86 19 China Telecom (Group) 7474 268 290 202 Optus Communications Pty Ltd 17676 250 3862 19 XTAGE CORPORATION 3786 242 772 209 DACOM Corporation 4134 241 2067 120 Data Communications Bureau 9583 228 34 18 Satyam Infoway Ltd., 4766 212 2475 159 Korea Internet Exchange for " 9443 182 58 82 Primus Telecommunications 9800 181 260 59 CHINA UNICOM 9498 147 10 18 BHARTI BT INTERNET LTD. 4739 138 57 126 Commerical Internet eXchange 9238 134 8 17 TATA ISP 7539 130 156 104 TANet2, sponsored by NSC, TAI 4716 128 745 122 TTnet ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1554 8929 1094 UUNET Technologies, Inc. 7018 1331 7193 921 AT&T 7132 1015 6572 227 Southwestern Bell Internet Se 1239 951 3022 669 Sprint 3908 919 1557 482 Supernet, Inc. 189 705 341 292 Genuity 11305 646 170 72 Interland Incorporated 1 634 2623 429 GENUITY 7843 631 356 180 Adelphia Corp. 4323 598 525 175 Time Warner Communications, I 18566 588 160 8 Covad Communications 852 526 1124 416 Telus Advanced Communications 705 510 273 333 UUNET Technologies, Inc. 209 493 2106 299 Qwest 6197 491 343 194 BellSouth Network Solutions, 7066 481 204 259 Virginia Polytechnic Institut 6198 466 230 177 BellSouth Network Solutions, 20115 462 194 283 Charter Communications 690 452 66 296 Merit Network 2386 440 521 250 AT&T Data Communications Serv RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 750 2173 637 UUNET - Commercial IP service 3301 303 1172 290 TeliaNet Sweden 3215 295 880 168 France Telecom Transpac 3320 266 2004 227 Deutsche Telekom AG 680 232 2053 229 DFN-IP service G-WiN 1257 224 311 186 SWIPnet Swedish IP Network 8220 223 384 211 COLT Internet - International 5400 222 139 131 BT Ignite European Backbone 719 215 307 124 LANLINK autonomous system 5515 181 795 152 Sonera Solution Autonomous Sy 786 179 1874 179 The JANET IP Service 8708 152 44 149 Romania Data Systems S.A. 3303 140 549 137 Swisscom Ltd 8895 131 58 29 KACST/ISU Riyadh Autonomous S 12302 128 18 35 MobiFon S.A. 2856 124 1315 114 BTnet UK Regional network 3269 117 823 64 TELECOM ITALIA 3246 116 366 114 Song Networks 3352 109 780 32 Ibernet, Internet Access Netw 5511 95 177 76 France Telecom LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 295 98 110 ImpSat 7303 238 37 57 Telecom Argentina Stet-France 8151 214 350 117 UniNet S.A. de C.V. 11172 169 82 41 Servicios Alestra S.A de C.V 16814 135 9 17 NSS, S.A. 6503 131 189 94 AVANTEL, S.A. 10620 115 7 32 TVCABLE BOGOTA 11340 106 3 34 Red Universitaria Nacional 6147 98 70 21 Telefonica Del Peru 11992 89 8 37 Integrated Systems 8065 80 8 15 Empresas Publicas de Medellin 6535 74 5 23 Chilesat Servicios Empresari 1916 73 306 43 Fundacao de Amparo a Pesquisa 15311 71 12 35 Telefonica Empresas 13999 68 36 8 Mega Cable S.A. de C.V. 4270 67 18 9 Red de Interconexion Universi 11830 66 4 27 Instituto Costarricense de El 7080 64 4 1 Electronica y Comunicaciones 7927 64 5 39 Global One Venezuela 11311 64 6 13 Sinectis S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7132 1015 788 Southwestern Bell Internet Se 18566 588 580 Covad Communications 11305 646 574 Interland Incorporated 7843 631 451 Adelphia Corp. 3908 919 437 Supernet, Inc. 4323 598 423 Time Warner Communications, I 189 705 413 Genuity 7018 1331 410 AT&T 4755 421 349 Videsh Sanchar Nigam Ltd. Aut 1221 1076 307 Telstra Pty Ltd 6197 491 297 BellSouth Network Solutions, 27364 315 297 Armstrong Cable Services 4355 404 293 EarthLink, Inc. 6198 466 289 BellSouth Network Solutions, 6347 363 285 SAVVIS Communications Corpora 22927 298 285 TELEFONICA DE ARGENTINA 1239 951 282 Sprint 4814 297 278 China Telecom (Group) 376 384 268 Reseau Interordinateurs Scien 22909 274 264 Comcast Cable Corporation List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65516 PRIVATE 61.232.70.0/24 17621 China Netcom Corp. 65516 PRIVATE 61.232.71.0/24 17621 China Netcom Corp. 65516 PRIVATE 61.232.72.0/22 17621 China Netcom Corp. 1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 158.0.0.0/13 568 DISO-UNRRA 172.208.0.0/14 1668 GNN Hosting Service 192.16.52.0/24 1239 Sprint 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.136.135.0/24 1239 Sprint 192.153.136.0/21 568 DISO-UNRRA 192.158.254.0/24 705 UUNET Technologies, Inc. 192.172.0.0/19 568 DISO-UNRRA 192.228.21.0/24 27299 CIRA Canadian Internet Regist 192.228.22.0/24 27299 CIRA Canadian Internet Regist 192.228.23.0/24 27299 CIRA Canadian Internet Regist 192.228.24.0/24 27299 CIRA Canadian Internet Regist 192.228.25.0/24 27299 CIRA Canadian Internet Regist 192.228.26.0/24 27299 CIRA Canadian Internet Regist 192.228.27.0/24 27299 CIRA Canadian Internet Regist 192.228.28.0/24 27299 CIRA Canadian Internet Regist 192.228.29.0/24 27299 CIRA Canadian Internet Regist 192.228.30.0/24 27299 CIRA Canadian Internet Regist 192.228.31.0/24 27299 CIRA Canadian Internet Regist Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:5 /10:8 /11:13 /12:52 /13:99 /14:256 /15:470 /16:7425 /17:1674 /18:2992 /19:8462 /20:8533 /21:6153 /22:9084 /23:10662 /24:69503 /25:161 /26:215 /27:55 /28:40 /29:26 /30:21 /31:0 /32:25 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 189 628 705 Genuity 18566 582 588 Covad Communications 3908 575 919 Supernet, Inc. 11305 572 646 Interland Incorporated 7018 463 1331 AT&T 702 459 750 UUNET - Commercial IP service 701 437 1554 UUNET Technologies, Inc. 690 410 452 Merit Network 7843 393 631 Adelphia Corp. 7066 378 481 Virginia Polytechnic Institut 6197 367 491 BellSouth Network Solutions, 6198 364 466 BellSouth Network Solutions, 1239 357 951 Sprint 20115 323 462 Charter Communications 27364 308 315 Armstrong Cable Services 4814 282 297 China Telecom (Group) 22927 236 298 TELEFONICA DE ARGENTINA 1 235 634 GENUITY 2386 220 440 AT&T Data Communications Serv 3215 219 295 France Telecom Transpac Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:705 13:1 15:4 16:1 17:3 20:8 24:858 25:1 32:87 38:60 40:20 44:2 57:17 61:468 62:345 63:1868 64:1934 65:1964 66:2583 67:177 68:380 69:164 80:348 81:126 128:138 129:177 130:48 131:80 132:26 134:176 135:4 136:117 137:107 138:110 139:64 140:137 141:111 142:94 143:42 144:105 145:14 146:276 147:97 148:288 149:61 150:43 151:69 152:231 153:57 154:3 155:116 156:53 157:37 158:126 159:139 160:43 161:77 162:128 163:76 164:308 165:143 166:93 167:323 168:411 169:61 170:312 171:7 192:5333 193:2456 194:1953 195:1034 196:471 198:3560 199:2719 200:2978 202:3783 203:5264 204:2987 205:2029 206:2366 207:2413 208:2581 209:2886 210:821 211:333 212:1075 213:793 214:20 215:23 216:3535 217:615 218:87 219:39 220:92 221:3 End of report

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The Cidr Report
by cidr-report＠potaroo.net 30 May '03

30 May '03

This report has been generated at Fri May 30 21:46:19 2003 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 23-05-03 41653 87460 24-05-03 122921 87445 25-05-03 123066 87575 26-05-03 123186 87524 27-05-03 121906 87598 28-05-03 122070 87111 29-05-03 121924 87316 30-05-03 123105 87109 AS Summary 15199 Number of ASes in routing system 5989 Number of ASes announcing only one prefix 1537 Largest number of prefixes announced by an AS AS701 : ALTERNET-AS UUNET Technologies, Inc. 73158912 Largest address span announced by an AS (/32s) AS568 : SUMNET-AS DISO-UNRRA Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 30May03 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 122343 87110 35233 28.8% All ASes AS7132 988 207 781 79.0% SBIS-AS SBC Internet Services - Southwest AS11305 657 147 510 77.6% INTERLAND-NET1 Interland Incorporated AS7843 656 181 475 72.4% ADELPHIA-AS Adelphia Corp. AS701 1537 1085 452 29.4% ALTERNET-AS UUNET Technologies, Inc. AS4323 596 179 417 70.0% TW-COMM Time Warner Communications, Inc. AS7018 1335 928 407 30.5% ATT-INTERNET4 AT&T WorldNet Services AS3908 894 525 369 41.3% SUPERNETASBLK SuperNet, Inc. AS1221 1079 772 307 28.5% ASN-TELSTRA Telstra Pty Ltd AS4355 400 117 283 70.8% ERMS-EARTHLNK EARTHLINK, INC AS6197 489 206 283 57.9% BATI-ATL BellSouth Network Solutions, Inc AS1239 953 672 281 29.5% SPRINTLINK Sprint AS6198 462 184 278 60.2% BATI-MIA BellSouth Network Solutions, Inc AS4814 295 19 276 93.6% CHINANET-BEIJING-AP China Telecom (Group) AS22927 288 13 275 95.5% AR-TEAR2-LACNIC TELEFONICA DE ARGENTINA AS6347 362 90 272 75.1% DIAMOND SAVVIS Communications Corporation AS2386 547 299 248 45.3% INS-AS AT&T Data Communications Services AS17676 250 24 226 90.4% GIGAINFRA XTAGE CORPORATION AS17557 370 150 220 59.5% PKTELECOM-AS-AP Pakistan Telecom AS27364 294 78 216 73.5% ACS-INTERNET Armstrong Cable Services AS22773 213 9 204 95.8% CCINET-2 Cox Communications Inc. Atlanta AS209 495 303 192 38.8% ASN-QWEST Qwest AS705 506 329 177 35.0% ALTERNET-AS UUNET Technologies, Inc. AS2048 257 88 169 65.8% LANET-1 State of Louisiana AS6327 189 23 166 87.8% SHAWFIBER Shaw Fiberlink Limited AS13601 205 46 159 77.6% ASN-INNERHOST Innerhost, Inc. AS690 455 297 158 34.7% MERIT-AS-27 Merit Network Inc. AS4200 177 21 156 88.1% AGIS-NET Apex Global Information Services, Inc. AS20115 464 312 152 32.8% CHARTER-NET-HKY-NC Charter Communications AS3602 225 79 146 64.9% SPRINT-CA-AS Sprint Canada Inc. AS2686 250 107 143 57.2% AS2686 AT&T Global Network Services - EMEA Total 15888 7490 8398 52.9% Top 30 total Possible Bogus Routes 24.2.128.0/21 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.7.10.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.11.98.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.14.197.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.18.132.0/23 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.23.8.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.119.0.0/16 AS11492 CABLEONE CABLE ONE 24.180.60.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.185.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.186.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.187.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.188.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.189.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.191.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.223.128.0/17 AS11060 NEO-RR-COM Time Warner Cable Northeast Ohio 24.224.224.0/20 AS11260 ANDARA-HSI Andara High Speed Internet c/o Halifax Cable Ltd. 24.224.240.0/20 AS11260 ANDARA-HSI Andara High Speed Internet c/o Halifax Cable Ltd. 61.12.32.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 61.12.34.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 64.30.64.0/19 AS14900 USLEC-CORP-1 USLEC Corp. 65.2.165.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.145.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.146.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.147.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.150.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.151.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.8.0.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.11.200.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.11.201.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.15.117.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 66.41.192.0/18 AS13367 ATT-BBND-B AT&T Broadband 68.192.0.0/14 AS6128 CABLE-NET-1 Cablevision Systems Corp. 69.46.64.0/19 AS8138 JADE Jade Inc. 69.50.0.0/20 AS22738 LANLOGIC LanLogic,Inc. 132.0.0.0/10 AS568 SUMNET-AS DISO-UNRRA 137.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 138.136.0.0/13 AS568 SUMNET-AS DISO-UNRRA 140.240.0.0/13 AS1 GNTY-1 Genuity 158.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 165.212.0.0/16 AS7424 USANET USA.Net 166.16.0.0/16 AS3751 SNET-AS Southern New England Telephone 171.64.0.0/10 AS1 GNTY-1 Genuity 192.16.52.0/24 AS1239 SPRINTLINK Sprint 192.43.230.0/24 AS4738 SAARDNET-AS South Australian Academic Research and Development Network 192.44.0.0/19 AS702 ALTERNET-AS UUNET Technologies, Inc. 192.83.16.0/20 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.32.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.64.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.96.0/22 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.100.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.119.135.0/24 AS270 PSCNI-AS National Aeronautics and Space Administration 192.124.252.0/22 AS680 AS680 DFN-IP service G-WiN 192.135.50.0/24 AS7018 ATT-INTERNET4 AT&T WorldNet Services 192.136.79.0/24 AS719 AS719 LANLINK autonomous system 192.153.136.0/21 AS568 SUMNET-AS DISO-UNRRA 192.153.144.0/21 AS568 SUMNET-AS DISO-UNRRA 192.172.0.0/19 AS568 SUMNET-AS DISO-UNRRA 192.188.208.0/20 AS568 SUMNET-AS DISO-UNRRA 192.228.0.0/16 AS4637 REACH Reach Network Border AS 192.243.32.0/23 AS2044 PALIN-AS Palin Aquisitions Inc. 198.23.26.0/24 AS4390 BELLATLANTIC-COM Bell Atlantic, Inc. 198.97.72.0/21 AS568 SUMNET-AS DISO-UNRRA 198.97.80.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.88.0/24 AS89 NUSC-CSTLNET-AS Naval Underwater Systems Center 198.97.192.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.240.0/20 AS568 SUMNET-AS DISO-UNRRA 198.98.8.0/21 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 198.101.4.0/22 AS568 SUMNET-AS DISO-UNRRA 198.136.32.0/20 AS19329 MCNET Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY-NET CityNet, Inc. 198.161.87.0/24 AS6539 GROUPTLCOM GT Group Telecom Services Corp. 198.161.165.0/24 AS852 ASN852 Telus Advanced Communications 198.163.155.0/24 AS684 MBNET-AS Manitoba Regional Network 198.167.0.0/16 AS7456 INTERHOP Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 198.168.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASKTEL SaskTel 198.232.133.0/24 AS23075 SKOTOS-AS Skotos Tech, Inc 199.10.0.0/16 AS568 SUMNET-AS DISO-UNRRA 199.60.0.0/20 AS271 BCNET-AS University of British Columbia 199.79.32.0/20 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 199.84.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 199.114.0.0/18 AS568 SUMNET-AS DISO-UNRRA 199.114.0.0/21 AS568 SUMNET-AS DISO-UNRRA 199.114.128.0/18 AS568 SUMNET-AS DISO-UNRRA 199.120.32.0/19 AS16582 NEXTLEVELINTERNET NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS568 SUMNET-AS DISO-UNRRA 199.123.16.0/20 AS568 SUMNET-AS DISO-UNRRA 199.123.80.0/21 AS568 SUMNET-AS DISO-UNRRA 199.167.25.0/24 AS701 ALTERNET-AS UUNET Technologies, Inc. 199.189.32.0/19 AS7332 IQUEST-AS IQuest Internet 199.202.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 202.3.144.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.145.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.146.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.147.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.148.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.149.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.150.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.151.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.152.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.153.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.154.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.155.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.156.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.157.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.158.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.159.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.4.252.0/22 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.4.255.0/24 AS4799 UNSPECIFIED Ji Tong Communications Co., Ltd. 202.6.96.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.97.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.99.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.44.112.0/20 AS17458 CWNETDG-IO-AP Cable and Wireless 202.79.0.0/20 AS4637 REACH Reach Network Border AS 202.89.200.0/24 AS7473 SINGTEL-AS-AP Singapore Telecom 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.93.64.0/19 AS9425 I-NEXT-AS-AP Inter.net Philippines border AS 202.122.76.0/24 AS17553 TIMELESS-AP System Integration provider 202.130.224.0/20 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.130.240.0/21 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.130.248.0/21 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.130.248.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 202.130.252.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 202.136.254.0/23 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.136.254.0/24 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.140.230.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.232.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.234.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.235.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 202.142.130.0/23 AS17820 DIL-AP DIRECT INTERNET LTD. 202.142.132.0/22 AS17820 DIL-AP DIRECT INTERNET LTD. 202.143.48.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.143.56.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.159.128.0/17 AS4622 UNSPECIFIED IndoInternet PT. 202.161.0.0/19 AS10097 FLOWCOM flow communications level 2 541 kent st sydney nsw 2000 202.161.0.0/21 AS4634 -No Whois Entry- 202.161.8.0/21 AS4634 -No Whois Entry- 202.164.192.0/19 AS7599 IPXC-AS-AP IP Exchange 202.165.0.0/19 AS9443 INTERNETPRIMUS-AS-AP Primus Telecommunications 202.173.32.0/19 AS9671 APNIC-AS-3-BLOCK Asia Pacific Network Information Centre 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.76.128.0/24 AS9729 IS-AP iAdvantage Limited 203.76.224.0/24 AS9549 COMDEK-ISP-AS-AP Comdek ISP 203.78.125.0/24 AS17653 PCM-HK-AP Pacific Century Matrix 203.86.2.0/23 AS4058 APNIC-4058 Asia Pacific Network Information Centre 203.90.192.0/20 AS9658 ETPI-IDS-AS-AP Eastern Telecoms Phils., Inc. 203.135.99.0/24 AS2687 IBM-MMD-AS IBM 203.135.224.0/19 AS4058 APNIC-4058 Asia Pacific Network Information Centre 204.19.224.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 204.29.189.0/24 AS11755 WAYMARKCOMM Waymark Internet Services, Inc. 204.52.232.0/24 AS7177 DFWNET DFW Internet Services, Inc. 204.89.225.0/24 AS2495 KANREN Kansas Research and Education Network 204.154.240.0/21 AS11572 MEDIACOM Mediacom,llc / RidgeNet 204.194.110.0/23 AS10588 ICSNET Intelligent Computer Solutions, Inc 205.150.0.0/15 AS701 ALTERNET-AS UUNET Technologies, Inc. 205.173.248.0/21 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide 205.233.139.0/24 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 206.41.32.0/19 AS14824 NEWSOUTH NewSouth Communications Corp. 206.81.187.0/24 AS19194 JOVITA Sentris Network LLC 206.82.64.0/18 AS7029 ALLTELNET Alltel Information Services, Inc. 206.108.34.0/24 AS852 ASN852 Telus Advanced Communications 206.108.35.0/24 AS852 ASN852 Telus Advanced Communications 206.126.0.0/19 AS5750 FLEXNET-HAWAII FlexNet Inc. 206.191.64.0/18 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 206.251.69.0/24 AS10494 AAI Accurate Automation, Inc. 207.47.39.0/24 AS816 UUNET-AS4 UUNET Technologies, Inc. 207.92.0.0/14 AS2551 ICG ICG NetAhead, Inc. 207.162.192.0/19 AS4589 EASYNET Easynet Group Plc 207.231.96.0/19 AS11194 NUNETPA NuNet Inc 208.65.232.0/23 AS701 ALTERNET-AS UUNET Technologies, Inc. 208.81.187.0/24 AS19194 JOVITA Sentris Network LLC 208.101.8.0/24 AS3561 CWUSA Cable & Wireless USA 208.104.103.0/24 AS1239 SPRINTLINK Sprint 209.104.198.0/24 AS6137 SISNA SISNA, Inc. 209.104.199.0/24 AS6137 SISNA SISNA, Inc. 209.104.218.0/24 AS6137 SISNA SISNA, Inc. 209.104.219.0/24 AS6137 SISNA SISNA, Inc. 209.104.252.0/22 AS12030 PACIFIC-ONLINE-PON Pacific Online Services 209.108.0.0/14 AS2551 ICG ICG NetAhead, Inc. 209.151.128.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 209.160.70.0/23 AS13415 LUMIX Lumix Communications, Inc. 209.160.73.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.160.209.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.160.210.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.169.219.0/24 AS189 GENUITY-AS189 Genuity 209.169.223.0/24 AS189 GENUITY-AS189 Genuity 209.172.0.0/18 AS7770 TRITON Triton Technologies, Inc. 209.213.32.0/19 AS10629 INTERPAC Inter-Pacific Network Services 209.213.50.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.51.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.55.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.56.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.160.0/19 AS4355 ERMS-EARTHLNK EARTHLINK, INC 209.222.137.0/24 AS10494 AAI Accurate Automation, Inc. 209.240.96.0/19 AS10815 KCNET KCnet, Inc. 209.251.0.0/19 AS11036 SISCOM SISCOM, Inc 209.251.64.0/19 AS10266 NETWAY-AS MDC, Inc. 210.4.20.0/22 AS10095 ANTARIX Antarix e Applications Limited 210.4.60.0/24 AS10095 ANTARIX Antarix e Applications Limited 210.4.61.0/24 AS10095 ANTARIX Antarix e Applications Limited 210.16.128.0/24 AS9498 BBIL-AP BHARTI BT INTERNET LTD. 211.27.156.0/24 AS9768 PUBNET1-AS KT 216.18.224.0/21 AS11458 IMBRIS IMBRIS, INC. 216.18.224.0/22 AS11458 IMBRIS IMBRIS, INC. 216.18.228.0/22 AS11458 IMBRIS IMBRIS, INC. 216.47.32.0/19 AS11304 SPLUS Solutions Plus Inc. 216.51.128.0/17 AS5056 INS-NET-2 Iowa Network Services 216.51.192.0/18 AS5056 INS-NET-2 Iowa Network Services 216.81.64.0/20 AS3356 LEVEL3 Level 3 Communications, LLC 216.96.128.0/18 AS7018 ATT-INTERNET4 AT&T WorldNet Services 216.115.178.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.179.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.182.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.183.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.184.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.189.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.190.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.191.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.153.0.0/17 AS6203 ISDN-NET ISDN-Net Inc. 216.153.96.0/20 AS1239 SPRINTLINK Sprint 216.211.177.0/24 AS14473 KNET KNet, Inc. 216.226.108.0/22 AS3602 SPRINT-CA-AS Sprint Canada Inc. Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org

1 0

Weekly Routing Table Report
by Routing Table Analysis 30 May '03

30 May '03

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats(a)lists.apnic.net If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 20:00 +10GMT Fri 30 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 125561 Prefixes after maximum aggregation: 78781 Unique aggregates announced to Internet: 59190 Total ASes present in the Internet Routing Table: 15261 Origin-only ASes present in the Internet Routing Table: 13231 Origin ASes announcing only one prefix: 5988 Transit ASes present in the Internet Routing Table: 2030 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 5 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 18 Number of addresses announced to Internet: 1231382592 Equivalent to 73 /8s, 101 /16s and 104 /24s Percentage of available address space announced: 33.2 Percentage of allocated address space announced: 59.4 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 55295 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21661 Total APNIC prefixes after maximum aggregation: 12532 Prefixes being announced from the APNIC address blocks: 20057 Unique aggregates announced from the APNIC address blocks: 12046 APNIC Region origin ASes present in the Internet Routing Table: 1810 APNIC Region origin ASes announcing only one prefix: 522 APNIC Region transit ASes present in the Internet Routing Table: 300 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 113762976 Equivalent to 6 /8s, 199 /16s and 226 /24s Percentage of available APNIC address space announced: 61.3 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 76924 Total ARIN prefixes after maximum aggregation: 48066 Prefixes being announced from the ARIN address blocks: 55077 Unique aggregates announced from the ARIN address blocks: 16513 ARIN Region origin ASes present in the Internet Routing Table: 8438 ARIN Region origin ASes announcing only one prefix: 2882 ARIN Region transit ASes present in the Internet Routing Table: 815 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 191855872 Equivalent to 11 /8s, 111 /16s and 125 /24s Percentage of available ARIN address space announced: 71.5 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153 3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466 7723 - 8191, 10240 - 12287, 13312 - 15359 16384 - 17407, 18432 - 20479, 21504 - 23551 25600 - 26591, 26624 - 27647, 29695 - 30719 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 21602 Total RIPE prefixes after maximum aggregation: 15924 Prefixes being announced from the RIPE address blocks: 18089 Unique aggregates announced from the RIPE address blocks: 12118 RIPE Region origin ASes present in the Internet Routing Table: 4611 RIPE Region origin ASes announcing only one prefix: 2498 RIPE Region transit ASes present in the Internet Routing Table: 817 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 131505152 Equivalent to 7 /8s, 214 /16s and 156 /24s Percentage of available RIPE address space announced: 71.3 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 RIPE Address Blocks 62/8, 80/7, 82/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5369 Total LACNIC prefixes after maximum aggregation: 2259 Prefixes being announced from the LACNIC address blocks: 4778 Unique aggregates announced from the LACNIC address blocks: 2984 LACNIC Region origin ASes present in the Internet Routing Table: 332 LACNIC Region origin ASes announcing only one prefix: 86 LACNIC Region transit ASes present in the Internet Routing Table: 68 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 12609280 Equivalent to 0 /8s, 192 /16s and 103 /24s Percentage of available LACNIC address space announced: 37.6 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1075 1103 768 Telstra Pty Ltd 4755 422 134 75 Videsh Sanchar Nigam Ltd. Aut 2907 376 1911 352 SINET Japan 17557 371 26 151 Pakistan Telecom 703 344 372 274 UUNET 2764 307 340 275 connect.com.au pty ltd 4814 295 86 19 China Telecom (Group) 7474 269 290 202 Optus Communications Pty Ltd 17676 250 3862 19 XTAGE CORPORATION 3786 243 773 210 DACOM Corporation 4134 235 2042 117 Data Communications Bureau 9583 227 34 17 Satyam Infoway Ltd., 4766 212 2475 159 Korea Internet Exchange for " 9443 182 58 82 Primus Telecommunications 9800 181 260 59 CHINA UNICOM 9498 141 10 17 BHARTI BT INTERNET LTD. 4739 138 57 126 Commerical Internet eXchange 9238 132 8 23 TATA ISP 7539 129 156 103 TANet2, sponsored by NSC, TAI 4716 128 745 122 TTnet ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1565 8934 1102 UUNET Technologies, Inc. 7018 1335 7209 922 AT&T 7132 988 6475 207 Southwestern Bell Internet Se 1239 948 3018 667 Sprint 3908 916 1556 477 Supernet, Inc. 189 705 341 292 Genuity 11305 657 171 82 Interland Incorporated 7843 656 353 181 Adelphia Corp. 1 638 2589 434 GENUITY 4323 597 526 175 Time Warner Communications, I 18566 581 160 8 Covad Communications 2386 547 517 298 AT&T Data Communications Serv 852 534 1123 422 Telus Advanced Communications 705 510 272 333 UUNET Technologies, Inc. 209 494 2106 300 Qwest 6197 489 343 194 BellSouth Network Solutions, 7066 482 204 259 Virginia Polytechnic Institut 20115 464 194 286 Charter Communications 6198 460 230 177 BellSouth Network Solutions, 690 455 66 297 Merit Network RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 750 2157 637 UUNET - Commercial IP service 3320 346 2004 228 Deutsche Telekom AG 3301 306 1173 293 TeliaNet Sweden 3215 302 852 173 France Telecom Transpac 680 232 2053 229 DFN-IP service G-WiN 1257 225 311 187 SWIPnet Swedish IP Network 8220 223 384 211 COLT Internet - International 719 215 307 124 LANLINK autonomous system 5400 204 121 115 BT Ignite European Backbone 5515 181 795 152 Sonera Solution Autonomous Sy 786 179 1874 179 The JANET IP Service 8708 154 44 149 Romania Data Systems S.A. 3303 142 549 139 Swisscom Ltd 12302 128 18 35 MobiFon S.A. 2856 123 1299 113 BTnet UK Regional network 3269 116 819 63 TELECOM ITALIA 3246 113 365 111 Song Networks 3352 109 780 32 Ibernet, Internet Access Netw 2647 99 4129 39 SITA 5511 95 177 76 France Telecom LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 295 98 110 ImpSat 7303 234 37 58 Telecom Argentina Stet-France 8151 215 350 118 UniNet S.A. de C.V. 11172 169 66 41 Servicios Alestra S.A de C.V 6503 136 190 99 AVANTEL, S.A. 16814 135 9 17 NSS, S.A. 10620 113 7 33 TVCABLE BOGOTA 11340 105 3 33 Red Universitaria Nacional 6147 95 70 21 Telefonica Del Peru 11992 89 8 37 Integrated Systems 8065 80 8 15 Empresas Publicas de Medellin 6535 74 5 23 Chilesat Servicios Empresari 1916 73 306 43 Fundacao de Amparo a Pesquisa 15311 71 12 35 Telefonica Empresas 4270 68 18 9 Red de Interconexion Universi 13999 68 36 8 Mega Cable S.A. de C.V. 11830 66 4 27 Instituto Costarricense de El 7080 64 4 1 Electronica y Comunicaciones 7927 64 5 39 Global One Venezuela 11311 64 6 13 Sinectis S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7132 988 781 Southwestern Bell Internet Se 11305 657 575 Interland Incorporated 18566 581 573 Covad Communications 7843 656 475 Adelphia Corp. 3908 916 439 Supernet, Inc. 4323 597 422 Time Warner Communications, I 7018 1335 413 AT&T 189 705 413 Genuity 4755 422 347 Videsh Sanchar Nigam Ltd. Aut 1221 1075 307 Telstra Pty Ltd 6197 489 295 BellSouth Network Solutions, 4355 400 289 EarthLink, Inc. 6347 363 285 SAVVIS Communications Corpora 6198 460 283 BellSouth Network Solutions, 1239 948 281 Sprint 4814 295 276 China Telecom (Group) 22927 288 275 TELEFONICA DE ARGENTINA 27364 294 274 Armstrong Cable Services 22909 273 258 Comcast Cable Corporation 2386 547 249 AT&T Data Communications Serv List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65516 PRIVATE 61.232.70.0/24 17621 China Netcom Corp. 65516 PRIVATE 61.232.71.0/24 17621 China Netcom Corp. 65516 PRIVATE 61.232.72.0/22 17621 China Netcom Corp. 1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p 64732 PRIVATE 202.38.166.0/23 9808 Guangdong Mobile Com Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 158.0.0.0/13 568 DISO-UNRRA 192.16.52.0/24 1239 Sprint 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.136.135.0/24 1239 Sprint 192.153.136.0/21 568 DISO-UNRRA 192.158.254.0/24 705 UUNET Technologies, Inc. 192.172.0.0/19 568 DISO-UNRRA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:5 /10:8 /11:13 /12:52 /13:98 /14:254 /15:467 /16:7417 /17:1680 /18:2973 /19:8432 /20:8466 /21:6141 /22:9054 /23:10672 /24:69299 /25:155 /26:204 /27:54 /28:32 /29:21 /30:21 /31:0 /32:25 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 189 628 705 Genuity 11305 583 657 Interland Incorporated 18566 575 581 Covad Communications 3908 571 916 Supernet, Inc. 7018 462 1335 AT&T 702 459 750 UUNET - Commercial IP service 701 442 1565 UUNET Technologies, Inc. 7843 421 656 Adelphia Corp. 690 413 455 Merit Network 7066 379 482 Virginia Polytechnic Institut 6197 365 489 BellSouth Network Solutions, 6198 358 460 BellSouth Network Solutions, 1239 354 948 Sprint 2386 330 547 AT&T Data Communications Serv 20115 325 464 Charter Communications 3320 289 346 Deutsche Telekom AG 27364 287 294 Armstrong Cable Services 4814 281 295 China Telecom (Group) 1 239 638 GENUITY 22927 226 288 TELEFONICA DE ARGENTINA Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:705 13:1 15:4 16:1 17:3 20:8 24:832 25:1 32:87 38:58 40:20 44:2 55:1 57:17 61:459 62:408 63:1876 64:1914 65:1938 66:2493 67:176 68:379 69:159 80:351 81:127 128:141 129:177 130:47 131:78 132:12 133:1 134:176 135:3 136:117 137:107 138:109 139:64 140:138 141:117 142:93 143:44 144:103 145:14 146:273 147:96 148:290 149:68 150:44 151:74 152:233 153:57 154:3 155:115 156:50 157:40 158:126 159:143 160:43 161:76 162:129 163:76 164:308 165:144 166:93 167:322 168:397 169:62 170:312 171:7 192:5314 193:2434 194:1958 195:1024 196:479 198:3567 199:2721 200:2981 202:3768 203:5250 204:2996 205:2042 206:2384 207:2409 208:2616 209:2881 210:813 211:335 212:999 213:795 214:20 215:23 216:3516 217:619 218:79 219:38 220:94 221:2 End of report

1 0

The Cidr Report
by cidr-report＠potaroo.net 23 May '03

23 May '03

This report has been generated at Fri May 23 21:46:02 2003 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 16-05-03 122535 86813 17-05-03 122601 86717 18-05-03 122501 86783 19-05-03 122354 86909 20-05-03 122685 87392 21-05-03 122864 87347 22-05-03 113890 27992 23-05-03 41653 24736 AS Summary 15170 Number of ASes in routing system 5987 Number of ASes announcing only one prefix 1526 Largest number of prefixes announced by an AS AS701 : ALTERNET-AS UUNET Technologies, Inc. 73158912 Largest address span announced by an AS (/32s) AS568 : SUMNET-AS DISO-UNRRA Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 23May03 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 37046 24846 12200 32.9% All ASes AS7132 608 55 553 91.0% SBIS-AS SBC Internet Services - Southwest AS7843 647 161 486 75.1% ADELPHIA-AS Adelphia Corp. AS4814 292 16 276 94.5% CHINANET-BEIJING-AP China Telecom (Group) AS3908 471 238 233 49.5% SUPERNETASBLK SuperNet, Inc. AS27364 288 74 214 74.3% ACS-INTERNET Armstrong Cable Services AS701 440 236 204 46.4% ALTERNET-AS UUNET Technologies, Inc. AS22773 210 7 203 96.7% CCINET-2 Cox Communications Inc. Atlanta AS2386 353 154 199 56.4% INS-AS AT&T Data Communications Services AS4355 194 16 178 91.8% ERMS-EARTHLNK EARTHLINK, INC AS6197 276 98 178 64.5% BATI-ATL BellSouth Network Solutions, Inc AS7018 463 297 166 35.9% ATT-INTERNET4 AT&T WorldNet Services AS6327 178 14 164 92.1% SHAWFIBER Shaw Fiberlink Limited AS6198 239 77 162 67.8% BATI-MIA BellSouth Network Solutions, Inc AS20858 163 2 161 98.8% EGYNET-AS This AS will be used to connect EgyNet AS690 428 272 156 36.4% MERIT-AS-27 Merit Network Inc. AS1239 300 153 147 49.0% SPRINTLINK Sprint AS209 203 74 129 63.5% ASN-QWEST Qwest AS14654 129 1 128 99.2% WAYPORT Wayport AS19262 225 112 113 50.2% VZGNI-TRANSIT Verizon Global Networks AS20115 420 311 109 26.0% CHARTER-NET-HKY-NC Charter Communications AS15270 146 39 107 73.3% AS-PAETEC-NET PaeTec.net -a division of PaeTecCommunications, Inc. AS2686 142 50 92 64.8% AS2686 AT&T Global Network Services - EMEA AS19916 113 21 92 81.4% ASTRUM-0001 OLM LLC AS13601 148 59 89 60.1% ASN-INNERHOST Innerhost, Inc. AS705 191 111 80 41.9% ALTERNET-AS UUNET Technologies, Inc. AS4323 118 39 79 66.9% TW-COMM Time Warner Communications, Inc. AS14900 143 64 79 55.2% USLEC-CORP-1 USLEC Corp. AS6517 127 49 78 61.4% YIPESCOM Yipes Communications, Inc. AS6347 153 77 76 49.7% DIAMOND SAVVIS Communications Corporation AS16852 102 30 72 70.6% FOCAL-CHICAGO Focal Data Communications of Illinois Total 7910 2907 5003 63.2% Top 30 total Possible Bogus Routes 24.2.128.0/21 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.7.10.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.11.98.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.14.197.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.18.132.0/23 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.23.8.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.119.0.0/16 AS11492 CABLEONE CABLE ONE 24.180.60.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.185.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.186.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.187.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.188.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.189.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.183.191.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 24.223.128.0/17 AS11060 NEO-RR-COM Time Warner Cable Northeast Ohio 61.12.32.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 61.12.34.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 64.30.64.0/19 AS14900 USLEC-CORP-1 USLEC Corp. 65.2.165.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.145.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.146.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.147.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.150.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.6.151.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.8.0.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.11.200.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.11.201.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 65.15.117.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services 66.41.192.0/18 AS13367 ATT-BBND-B AT&T Broadband 67.152.0.0/14 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide 68.192.0.0/14 AS6128 CABLE-NET-1 Cablevision Systems Corp. 132.0.0.0/10 AS568 SUMNET-AS DISO-UNRRA 137.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 138.136.0.0/13 AS568 SUMNET-AS DISO-UNRRA 140.240.0.0/13 AS1 GNTY-1 Genuity 158.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 165.212.0.0/16 AS7424 USANET USA.Net 166.16.0.0/16 AS3751 SNET-AS Southern New England Telephone 171.64.0.0/10 AS1 GNTY-1 Genuity 192.16.52.0/24 AS1239 SPRINTLINK Sprint 192.43.230.0/24 AS4738 SAARDNET-AS South Australian Academic Research and Development Network 192.44.0.0/19 AS702 ALTERNET-AS UUNET Technologies, Inc. 192.83.16.0/20 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.32.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.64.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.96.0/22 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.100.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.119.135.0/24 AS270 PSCNI-AS National Aeronautics and Space Administration 192.124.252.0/22 AS680 AS680 DFN-IP service G-WiN 192.135.50.0/24 AS7018 ATT-INTERNET4 AT&T WorldNet Services 192.136.79.0/24 AS719 AS719 LANLINK autonomous system 192.153.136.0/21 AS568 SUMNET-AS DISO-UNRRA 192.153.144.0/21 AS568 SUMNET-AS DISO-UNRRA 192.172.0.0/19 AS568 SUMNET-AS DISO-UNRRA 192.188.208.0/20 AS568 SUMNET-AS DISO-UNRRA 192.228.0.0/16 AS4637 REACH Reach Network Border AS 192.243.32.0/23 AS2044 PALIN-AS Palin Aquisitions Inc. 198.23.26.0/24 AS4390 BELLATLANTIC-COM Bell Atlantic, Inc. 198.97.72.0/21 AS568 SUMNET-AS DISO-UNRRA 198.97.80.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.88.0/24 AS89 NUSC-CSTLNET-AS Naval Underwater Systems Center 198.97.192.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.240.0/20 AS568 SUMNET-AS DISO-UNRRA 198.98.8.0/21 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 198.101.4.0/22 AS568 SUMNET-AS DISO-UNRRA 198.136.32.0/20 AS19329 MCNET Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY-NET CityNet, Inc. 198.161.87.0/24 AS6539 GROUPTLCOM GT Group Telecom Services Corp. 198.161.165.0/24 AS852 ASN852 Telus Advanced Communications 198.163.155.0/24 AS684 MBNET-AS Manitoba Regional Network 198.167.0.0/16 AS7456 INTERHOP Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 198.168.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASKTEL SaskTel 198.232.133.0/24 AS23075 SKOTOS-AS Skotos Tech, Inc 199.10.0.0/16 AS568 SUMNET-AS DISO-UNRRA 199.60.0.0/20 AS271 BCNET-AS University of British Columbia 199.79.32.0/20 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 199.84.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 199.114.0.0/18 AS568 SUMNET-AS DISO-UNRRA 199.114.0.0/21 AS568 SUMNET-AS DISO-UNRRA 199.114.128.0/18 AS568 SUMNET-AS DISO-UNRRA 199.120.32.0/19 AS16582 NEXTLEVELINTERNET NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS568 SUMNET-AS DISO-UNRRA 199.123.16.0/20 AS568 SUMNET-AS DISO-UNRRA 199.123.80.0/21 AS568 SUMNET-AS DISO-UNRRA 199.167.25.0/24 AS701 ALTERNET-AS UUNET Technologies, Inc. 199.189.32.0/19 AS7332 IQUEST-AS IQuest Internet 199.202.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 200.14.32.0/22 AS11751 BR-ICEP-LACNIC Instituto Cyber de Ensino e Pesquisa 200.14.34.0/23 AS11751 BR-ICEP-LACNIC Instituto Cyber de Ensino e Pesquisa 202.3.144.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.146.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.147.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.148.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.149.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.150.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.152.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.154.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.155.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.157.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.158.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.159.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.4.252.0/22 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.4.255.0/24 AS4799 UNSPECIFIED Ji Tong Communications Co., Ltd. 202.6.96.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.97.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.99.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.41.160.0/24 AS9826 ILINK-HK-AP iLink.net Ltd 202.41.161.0/24 AS9826 ILINK-HK-AP iLink.net Ltd 202.41.163.0/24 AS9826 ILINK-HK-AP iLink.net Ltd 202.41.164.0/24 AS9826 ILINK-HK-AP iLink.net Ltd 202.41.165.0/24 AS9826 ILINK-HK-AP iLink.net Ltd 202.44.112.0/20 AS17458 CWNETDG-IO-AP Cable and Wireless 202.79.0.0/20 AS4637 REACH Reach Network Border AS 202.89.200.0/24 AS7473 SINGTEL-AS-AP Singapore Telecom 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.93.64.0/19 AS9425 I-NEXT-AS-AP Inter.net Philippines border AS 202.122.76.0/24 AS17553 TIMELESS-AP System Integration provider 202.130.224.0/20 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.130.240.0/21 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.130.248.0/21 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.130.248.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 202.130.252.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 202.136.254.0/23 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.136.254.0/24 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.140.230.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.232.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.234.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.235.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 202.142.130.0/23 AS17820 DIL-AP DIRECT INTERNET LTD. 202.142.132.0/22 AS17820 DIL-AP DIRECT INTERNET LTD. 202.143.48.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.143.56.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.159.128.0/17 AS4622 UNSPECIFIED IndoInternet PT. 202.161.0.0/19 AS10097 FLOWCOM flow communications level 2 541 kent st sydney nsw 2000 202.161.0.0/21 AS4634 -No Whois Entry- 202.161.8.0/21 AS4634 -No Whois Entry- 202.164.192.0/19 AS7599 IPXC-AS-AP IP Exchange 202.165.0.0/19 AS9443 INTERNETPRIMUS-AS-AP Primus Telecommunications 202.173.32.0/19 AS9671 APNIC-AS-3-BLOCK Asia Pacific Network Information Centre 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.76.128.0/24 AS9729 IS-AP iAdvantage Limited 203.76.224.0/24 AS9549 COMDEK-ISP-AS-AP Comdek ISP 203.78.125.0/24 AS17653 PCM-HK-AP Pacific Century Matrix 203.86.2.0/23 AS4058 APNIC-4058 Asia Pacific Network Information Centre 203.90.192.0/20 AS9658 ETPI-IDS-AS-AP Eastern Telecoms Phils., Inc. 203.135.99.0/24 AS2687 IBM-MMD-AS IBM 203.135.224.0/19 AS4058 APNIC-4058 Asia Pacific Network Information Centre 204.19.224.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 204.29.189.0/24 AS11755 WAYMARKCOMM Waymark Internet Services, Inc. 204.52.232.0/24 AS7177 DFWNET DFW Internet Services, Inc. 204.89.225.0/24 AS2495 KANREN Kansas Research and Education Network 204.154.240.0/21 AS11572 MEDIACOM Mediacom,llc / RidgeNet 204.194.110.0/23 AS10588 ICSNET Intelligent Computer Solutions, Inc 205.150.0.0/15 AS701 ALTERNET-AS UUNET Technologies, Inc. 205.173.248.0/21 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide 205.233.139.0/24 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 206.41.32.0/19 AS14824 NEWSOUTH NewSouth Communications Corp. 206.81.187.0/24 AS19194 JOVITA Sentris Network LLC 206.82.64.0/18 AS7029 ALLTELNET Alltel Information Services, Inc. 206.108.34.0/24 AS852 ASN852 Telus Advanced Communications 206.108.35.0/24 AS852 ASN852 Telus Advanced Communications 206.126.0.0/19 AS5750 FLEXNET-HAWAII FlexNet Inc. 206.191.64.0/18 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 206.251.69.0/24 AS10494 AAI Accurate Automation, Inc. 207.47.39.0/24 AS816 UUNET-AS4 UUNET Technologies, Inc. 207.92.0.0/14 AS2551 ICG ICG NetAhead, Inc. 207.162.192.0/19 AS4589 EASYNET Easynet Group Plc 207.231.96.0/19 AS11194 NUNETPA NuNet Inc 208.65.232.0/23 AS701 ALTERNET-AS UUNET Technologies, Inc. 208.81.187.0/24 AS19194 JOVITA Sentris Network LLC 208.101.8.0/24 AS3561 CWUSA Cable & Wireless USA 208.104.103.0/24 AS1239 SPRINTLINK Sprint 209.104.198.0/24 AS6137 SISNA SISNA, Inc. 209.104.199.0/24 AS6137 SISNA SISNA, Inc. 209.104.218.0/24 AS6137 SISNA SISNA, Inc. 209.104.219.0/24 AS6137 SISNA SISNA, Inc. 209.104.252.0/22 AS12030 PACIFIC-ONLINE-PON Pacific Online Services 209.108.0.0/14 AS2551 ICG ICG NetAhead, Inc. 209.151.128.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 209.160.70.0/23 AS13415 LUMIX Lumix Communications, Inc. 209.160.73.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.160.209.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.160.210.0/24 AS13415 LUMIX Lumix Communications, Inc. 209.169.219.0/24 AS189 GENUITY-AS189 Genuity 209.169.223.0/24 AS189 GENUITY-AS189 Genuity 209.172.0.0/18 AS7770 TRITON Triton Technologies, Inc. 209.213.32.0/19 AS10629 INTERPAC Inter-Pacific Network Services 209.213.50.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.51.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.55.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.56.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.160.0/19 AS4355 ERMS-EARTHLNK EARTHLINK, INC 209.222.137.0/24 AS10494 AAI Accurate Automation, Inc. 209.240.96.0/19 AS10815 KCNET KCnet, Inc. 209.251.0.0/19 AS11036 SISCOM SISCOM, Inc 209.251.64.0/19 AS10266 NETWAY-AS MDC, Inc. 210.4.20.0/22 AS10095 ANTARIX Antarix e Applications Limited 210.4.60.0/24 AS10095 ANTARIX Antarix e Applications Limited 210.4.61.0/24 AS10095 ANTARIX Antarix e Applications Limited 210.16.128.0/24 AS9498 BBIL-AP BHARTI BT INTERNET LTD. 211.27.156.0/24 AS9768 PUBNET1-AS KT 216.18.224.0/21 AS11458 IMBRIS IMBRIS, INC. 216.18.224.0/22 AS11458 IMBRIS IMBRIS, INC. 216.18.228.0/22 AS11458 IMBRIS IMBRIS, INC. 216.26.224.0/20 AS7866 BTI Business Telecom, Inc. 216.47.32.0/19 AS11304 SPLUS Solutions Plus Inc. 216.51.128.0/17 AS5056 INS-NET-2 Iowa Network Services 216.81.64.0/20 AS3356 LEVEL3 Level 3 Communications, LLC 216.96.128.0/18 AS7018 ATT-INTERNET4 AT&T WorldNet Services 216.115.178.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.179.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.182.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.183.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.184.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.189.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.190.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.191.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.153.0.0/17 AS6203 ISDN-NET ISDN-Net Inc. 216.153.96.0/20 AS1239 SPRINTLINK Sprint 216.211.177.0/24 AS14473 KNET KNet, Inc. 216.226.108.0/22 AS3602 SPRINT-CA-AS Sprint Canada Inc. Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org

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