- routing-wg - mailman.ripe.net

The Cidr Report
by CIDR Report 17 Aug '02

17 Aug '02

This is an auto-generated mail on Fri Aug 16 23:00:01 PDT 2002 It is not checked before it leaves my workstation. However, hopefully you will find this report interesting and will take the time to look through this to see if you can improve the amount of aggregation you perform. Check http://www.employees.org/~tbates/cidr-report.html for a daily update of this report. NEW: Check http://www.employees.org/~tbates/cidr-report-region.html for the regional version of this report. NEW: Check http://www.employees.org/~tbates/autnums.html for a complete list of autonomous system number to name mappings as used by the CIDR-Report. The report is split into sections: 0) General Status List the route table history for the last week, list any possibly bogus routes seen and give some status on ASes. 1) Gains by aggregating at the origin AS level This lists the "Top 30" players who if they decided to aggregate their announced classful prefixes at the origin AS level could make a significant difference in the reduction of the current size of the Internet routing table. This calculation does not take into account the inclusion of holes when forming an aggregate so it is possible even larger reduction should be possible. 2) Weekly Delta A summary of the last weeks changes in terms of withdrawn and added routes. Please note that this is only a snapshot but does give some indication of ASes participating in CIDR. Clearly, it is generally a good thing to see a large amount of withdrawls. 3) Interesting aggregates Interesting here means not an aggregate made as a set of classful routes. Thanks to GX Networks for giving me access to their routing tables once a day. Please send any comments about this report directly to CIDR Report <cidr-report(a)cisco.com>. ------------------------------------------------------------------------------ CIDR REPORT for 16Aug02 0) General Status Table History ------------- Date Prefixes 090802 112833 100802 112990 110802 112840 120802 112791 130802 112534 140802 112650 150802 112454 160802 112263 Check http://www.employees.org/~tbates/cidr.plot.html for a plot of the table history. Possible Bogus Routes --------------------- AS Summary ---------- Number of ASes in routing system: 13432 Number of ASes announcing only one prefix: 8161 (4608 cidr, 3553 classful) Largest number of cidr routes: 715 announced by AS3908 Largest number of classful routes: 1192 announced by AS701 1) Gains by aggregating at the origin AS level --- 16Aug02 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1192 962 230 19.3% UUNET Technologies, Inc. AS1221 1043 824 219 21.0% Telstra Pty Ltd AS17557 265 94 171 64.5% Pakistan Telecom AS6595 227 58 169 74.4% DoD Education Activity Network As AS852 515 378 137 26.6% Telus Advanced Communications AS7018 795 678 117 14.7% AT&T AS16473 178 73 105 59.0% Bell South AS4151 251 154 97 38.6% USDA AS19632 99 5 94 94.9% Metropolis Intercom S.A. AS12302 122 29 93 76.2% MobiFon S.A. AS16814 105 20 85 81.0% NSS, S.A. AS226 170 89 81 47.6% Los Nettos AS1239 500 419 81 16.2% Sprint AS577 268 194 74 27.6% Bell Advanced Communications Inc. AS7046 289 216 73 25.3% UUNET Technologies, Inc. AS4755 203 130 73 36.0% Videsh Sanchar Nigam Ltd. Autonom AS2048 179 106 73 40.8% State of Louisiana AS724 214 152 62 29.0% DLA Systems Automation Center AS19834 64 4 60 93.8% NetForce, Inc. AS10620 85 25 60 70.6% TVCABLE BOGOTA AS3464 161 103 58 36.0% Alabama SuperComputer Network AS5515 243 186 57 23.5% Sonera Finland Autonomous System AS16758 63 6 57 90.5% IKON Office Solutions AS3908 283 228 55 19.4% Supernet, Inc. AS9498 85 31 54 63.5% BHARTI BT INTERNET LTD. AS9051 82 28 54 65.9% INCONET Autonomous System AS209 286 232 54 18.9% Qwest AS6535 69 16 53 76.8% Chilesat Servicios Empresariales AS703 276 225 51 18.5% UUNET Technologies, Inc. AS4538 87 36 51 58.6% China Education and Research Netw Total 54945 42384 12561 22.9% For the rest of the previous weeks gain information please see http://www.employees.org:80/~tbates/cidr-report.html 2) Weekly Delta Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report 3) Interesting aggregates Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report

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E-mail address masquerading for archived mail messages
by RIPE NCC WebMaster 16 Aug '02

16 Aug '02

Dear Colleagues, [Apologies for duplicate mails] Beginning today, 16 August, the RIPE NCC will implement "e-mail address masquerading" for messages displayed on the web site in the RIPE and the RIPE NCC mailing list archives. E-mail masquerading makes it more difficult for spammers to harvest e-mail addresses from the mailing list archives. When masquerading is applied, the e-mail address of the sender will be hidden in the mail archived messages. Those reading archived mail will see a return e-mail address that appears as "<somebody@localhost>". When clicking on this e-mail address, the address of the original sender will be loaded in your mail program, enabling you to send a message to the author. The RIPE NCC has chosen to implement this security measure as there have been various complaints from members of the RIPE community that e-mail addresses were being abused by spammers for Unsolicited Bulk E-mail (UBE). By implementing this security measure we anticipate there will be a sharp reduction to address harvesting of archived e-mail addresses. We will be checking for harvesters who manage to overcome this measure and will take further steps if necessary. E-mail masquerading will be applied to all mailing lists found in the following directories: http://www.ripe.net/ripencc/mail-archives/ http://www.ripe.net/ripe/mail-archives/ We appreciate your understanding on this matter. Regards Jeroen Bet RIPE NCC WEBMASTER ==================

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Weekly Routing Table Report
by Routing Table Analysis 16 Aug '02

16 Aug '02

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 For a graphical representation, please see http://www.apnic.net/stats/bgp. If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 20:00 +10GMT Fri 16 Aug, 2002 Analysis Summary ---------------- BGP routing table entries examined: 113000 Prefixes after maximum aggregation: 73565 Unique aggregates announced to Internet: 54874 Total ASes present in the Internet Routing Table: 13487 Origin-only ASes present in the Internet Routing Table: 11673 Origin ASes announcing only one prefix: 5207 Transit ASes present in the Internet Routing Table: 1814 Transit-only ASes present in the Internet Routing Table: 51 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 21 Illegal AS announcements present in the Routing Table: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 35 Number of addresses announced to Internet: 1182751136 Equivalent to 70 /8s, 127 /16s and 89 /24s Percentage of available address space announced: 31.9 Percentage of allocated address space announced: 58.5 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 45583 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18737 Total APNIC prefixes after maximum aggregation: 11073 Prefixes being announced from the APNIC address blocks: 17396 Unique aggregates announced from the APNIC address blocks: 10651 APNIC Region origin ASes present in the Internet Routing Table: 1583 APNIC Region origin ASes announcing only one prefix: 517 APNIC Region transit ASes present in the Internet Routing Table: 278 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 11 Number of APNIC addresses announced to Internet: 92745312 Equivalent to 5 /8s, 135 /16s and 46 /24s Percentage of available APNIC address space announced: 61.0 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/7 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 75022 Total ARIN prefixes after maximum aggregation: 47902 Prefixes being announced from the ARIN address blocks: 53679 Unique aggregates announced from the ARIN address blocks: 18115 ARIN Region origin ASes present in the Internet Routing Table: 7915 ARIN Region origin ASes announcing only one prefix: 2561 ARIN Region transit ASes present in the Internet Routing Table: 779 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 190832704 Equivalent to 11 /8s, 95 /16s and 224 /24s Percentage of available ARIN address space announced: 66.9 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 - 26623 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 19241 Total RIPE prefixes after maximum aggregation: 14590 Prefixes being announced from the RIPE address blocks: 15980 Unique aggregates announced from the RIPE address blocks: 10513 RIPE Region origin ASes present in the Internet Routing Table: 3938 RIPE Region origin ASes announcing only one prefix: 2129 RIPE Region transit ASes present in the Internet Routing Table: 747 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 113158144 Equivalent to 6 /8s, 190 /16s and 168 /24s Percentage of available RIPE address space announced: 74.9 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 RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1214 1189 888 Telstra Pty Ltd 4538 626 1312 28 China Education and Research 703 416 377 324 UUNET 2907 362 1815 341 SINET Japan 2764 358 358 329 connect.com.au pty ltd 7474 318 292 214 Optus Communications Pty Ltd 4134 299 2183 102 Data Communications Bureau 4755 286 143 75 Videsh Sanchar Nigam Ltd. Aut 17557 268 20 95 Pakistan Telecom 4766 249 1506 156 Korea Internet Exchange for " 4814 231 79 14 China Telecom (Group) 17676 187 2914 34 XTAGE CORPORATION 9583 183 32 5 Satyam Infoway Ltd., 9443 171 45 68 Primus Telecommunications 9768 144 385 74 Korea Telecom 7657 132 22 91 The Internet Group Limited 9800 121 187 23 CHINA UNICOM 4713 114 1009 105 NTT Communications Corporatio 4739 113 56 104 Commerical Internet eXchange 4795 103 19 54 INDOSATNET-ASN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 896 2430 753 UUNET - Commercial IP service 3301 396 923 345 TeliaNet Sweden 5515 320 783 180 Sonera Solution Autonomous Sy 3215 291 641 180 France Telecom Transpac 3320 246 1964 212 Deutsche Telekom AG 680 237 2150 234 DFN-IP service G-WiN 5400 211 85 100 BT Ignite European Backbone 1257 207 446 202 SWIPnet Swedish IP Network 719 182 306 128 LANLINK autonomous system 786 177 1873 177 The JANET IP Service 8708 145 41 141 Romania Data Systems S.A. 3303 142 548 141 Swisscom Ltd 2856 126 786 116 BTnet UK Regional network 12302 126 18 33 MobiFon S.A. 3246 112 317 107 Song Networks 5511 110 192 88 France Telecom 3233 106 10 9 RNC - Romanian Natioanal R&D 3269 106 658 63 TELECOM ITALIA 2874 102 85 39 Global One Services AB 8220 100 166 96 COLT Internet - International ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1785 9126 1358 UUNET Technologies, Inc. 7018 1310 7435 936 AT&T 3908 1014 1659 494 Supernet, Inc. 1239 821 3224 645 Sprint 852 724 1175 450 Telus Advanced Communications 1 671 8039 432 GENUITY 7843 644 371 258 Adelphia Corp. 7132 595 663 137 Southwestern Bell Internet Se 4323 544 450 172 Time Warner Communications, I 690 523 76 329 Merit Network 7046 512 882 315 UUNET Technologies, Inc. 209 507 2057 343 Qwest 2548 465 1162 277 Business Internet, Inc. 3549 435 808 312 Global Crossing 6197 381 611 37 BellSouth Network Solutions, 15290 377 297 192 AT&T Canada IES 2914 362 2074 362 Verio, Inc. 6347 350 370 76 SAVVIS Communications Corpora 4355 337 279 72 EarthLink, Inc. 6198 317 158 203 BellSouth Network Solutions, Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 626 598 China Education and Research 3908 1014 520 Supernet, Inc. 7132 595 458 Southwestern Bell Internet Se 7843 644 386 Adelphia Corp. 7018 1310 374 AT&T 4323 544 372 Time Warner Communications, I 6197 381 344 BellSouth Network Solutions, 1221 1214 326 Telstra Pty Ltd 4151 303 287 USDA 852 724 274 Telus Advanced Communications 6347 350 274 SAVVIS Communications Corpora 4355 337 265 EarthLink, Inc. 18566 245 241 Covad Communications 1 671 239 GENUITY 4814 231 217 China Telecom (Group) 4755 286 211 Videsh Sanchar Nigam Ltd. Aut 1580 212 200 ANOSCEUR 7046 512 197 UUNET Technologies, Inc. 4134 299 197 Data Communications Bureau 690 523 194 Merit Network List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 134.137.0.0/16 7170 AT&T Government Markets 135.0.0.0/13 10455 Lucent Technologies 137.0.0.0/13 568 DISO-UNRRA 138.94.0.0/16 1 GENUITY 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 DISA NETWORK SERVICES 192.5.154.0/24 16588 Spider Web Hosting Solutions 192.44.0.0/19 702 UUNET - Commercial IP service 192.58.92.0/24 19548 Adelphia Business Solutions 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 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 192.91.198.0/24 2568 CTS Network Services 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.136.86.0/24 719 LANLINK autonomous system 192.136.87.0/24 719 LANLINK autonomous system 192.136.88.0/24 719 LANLINK autonomous system 192.136.136.0/24 7046 UUNET Technologies, Inc. 192.136.136.0/22 568 DISO-UNRRA 192.139.62.0/24 6539 GT Group Telecom Services Cor 192.140.0.0/16 5511 France Telecom 192.153.136.0/21 568 DISO-UNRRA 192.156.0.0/19 568 DISO-UNRRA 192.156.164.0/24 19548 Adelphia Business Solutions 192.172.0.0/19 568 DISO-UNRRA 192.208.29.0/24 3908 Supernet, Inc. 192.208.30.0/23 3908 Supernet, Inc. 192.243.36.0/23 7168 Northwest Link Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:6 /10:7 /11:12 /12:37 /13:85 /14:233 /15:420 /16:7273 /17:1467 /18:2679 /19:7777 /20:7541 /21:5215 /22:7925 /23:9563 /24:62291 /25:152 /26:139 /27:56 /28:54 /29:31 /30:1 /31:0 /32:18 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 600 1014 Supernet, Inc. 702 546 896 UUNET - Commercial IP service 701 490 1785 UUNET Technologies, Inc. 690 469 523 Merit Network 7843 445 644 Adelphia Corp. 7018 379 1310 AT&T 6197 266 381 BellSouth Network Solutions, 6198 244 317 BellSouth Network Solutions, 18566 241 245 Covad Communications 3301 234 396 TeliaNet Sweden 3215 223 291 France Telecom Transpac 1239 222 821 Sprint 7066 204 301 Virginia Polytechnic Institut 1580 199 212 ANOSCEUR 4355 194 337 EarthLink, Inc. 7046 191 512 UUNET Technologies, Inc. 209 189 507 Qwest 4323 185 544 Time Warner Communications, I 5400 185 211 BT Ignite European Backbone 11492 185 189 Cable One Number of /24s announced per /8 block (Global) ---------------------------------------------- 3:1 4:3 12:539 13:10 15:2 17:6 20:4 24:719 25:1 32:41 38:9 40:6 44:1 57:14 61:327 62:236 63:1861 64:1231 65:1439 66:993 67:97 68:85 80:262 81:46 128:68 129:123 130:21 131:54 132:11 133:2 134:107 135:9 136:426 137:96 138:150 139:63 140:150 141:46 142:61 143:48 144:142 145:18 146:236 147:143 148:238 149:79 150:40 151:57 152:268 153:36 154:11 155:115 156:71 157:108 158:67 159:134 160:20 161:73 162:123 163:79 164:80 165:128 166:107 167:263 168:284 169:60 170:195 171:3 192:5383 193:2345 194:2066 195:805 196:415 198:3570 199:3133 200:2593 202:3334 203:4714 204:3228 205:2143 206:2447 207:2469 208:2599 209:2694 210:602 211:244 212:863 213:713 214:8 215:19 216:2827 217:497 218:33 219:1 End of report

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The Cidr Report
by CIDR Report 10 Aug '02

10 Aug '02

This is an auto-generated mail on Fri Aug 9 23:00:01 PDT 2002 It is not checked before it leaves my workstation. However, hopefully you will find this report interesting and will take the time to look through this to see if you can improve the amount of aggregation you perform. Check http://www.employees.org/~tbates/cidr-report.html for a daily update of this report. NEW: Check http://www.employees.org/~tbates/cidr-report-region.html for the regional version of this report. NEW: Check http://www.employees.org/~tbates/autnums.html for a complete list of autonomous system number to name mappings as used by the CIDR-Report. The report is split into sections: 0) General Status List the route table history for the last week, list any possibly bogus routes seen and give some status on ASes. 1) Gains by aggregating at the origin AS level This lists the "Top 30" players who if they decided to aggregate their announced classful prefixes at the origin AS level could make a significant difference in the reduction of the current size of the Internet routing table. This calculation does not take into account the inclusion of holes when forming an aggregate so it is possible even larger reduction should be possible. 2) Weekly Delta A summary of the last weeks changes in terms of withdrawn and added routes. Please note that this is only a snapshot but does give some indication of ASes participating in CIDR. Clearly, it is generally a good thing to see a large amount of withdrawls. 3) Interesting aggregates Interesting here means not an aggregate made as a set of classful routes. Thanks to GX Networks for giving me access to their routing tables once a day. Please send any comments about this report directly to CIDR Report <cidr-report(a)cisco.com>. ------------------------------------------------------------------------------ CIDR REPORT for 09Aug02 0) General Status Table History ------------- Date Prefixes 020802 112557 030802 112425 040802 112467 050802 112471 060802 112574 070802 112311 080802 112696 090802 112833 Check http://www.employees.org/~tbates/cidr.plot.html for a plot of the table history. Possible Bogus Routes --------------------- AS Summary ---------- Number of ASes in routing system: 13412 Number of ASes announcing only one prefix: 8157 (4598 cidr, 3559 classful) Largest number of cidr routes: 710 announced by AS3908 Largest number of classful routes: 1210 announced by AS701 1) Gains by aggregating at the origin AS level --- 09Aug02 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS1221 1090 836 254 23.3% Telstra Pty Ltd AS701 1210 970 240 19.8% UUNET Technologies, Inc. AS17557 295 101 194 65.8% Pakistan Telecom AS6595 223 55 168 75.3% DoD Education Activity Network As AS852 546 405 141 25.8% Telus Advanced Communications AS16473 196 75 121 61.7% Bell South AS7018 798 680 118 14.8% AT&T AS4151 238 143 95 39.9% USDA AS19632 99 5 94 94.9% Metropolis Intercom S.A. AS12302 120 27 93 77.5% MobiFon S.A. AS7303 159 68 91 57.2% Telecom Argentina Stet-France Tel AS16814 105 20 85 81.0% NSS, S.A. AS226 171 88 83 48.5% Los Nettos AS1239 500 418 82 16.4% Sprint AS1 457 382 75 16.4% GENUITY AS7046 293 219 74 25.3% UUNET Technologies, Inc. AS577 267 193 74 27.7% Bell Advanced Communications Inc. AS2048 178 104 74 41.6% State of Louisiana AS4755 200 129 71 35.5% Videsh Sanchar Nigam Ltd. Autonom AS4323 411 340 71 17.3% Time Warner Communications, Inc. AS2149 327 257 70 21.4% Performance Systems, Inc. AS724 222 159 63 28.4% DLA Systems Automation Center AS4293 246 185 61 24.8% Cable & Wireless USA AS3464 165 104 61 37.0% Alabama SuperComputer Network AS19834 64 4 60 93.8% NetForce, Inc. AS10620 85 25 60 70.6% TVCABLE BOGOTA AS9498 86 29 57 66.3% BHARTI BT INTERNET LTD. AS5515 243 186 57 23.5% Sonera Finland Autonomous System AS16758 63 6 57 90.5% IKON Office Solutions AS3908 286 230 56 19.6% Supernet, Inc. Total 55400 42650 12750 23.0% For the rest of the previous weeks gain information please see http://www.employees.org:80/~tbates/cidr-report.html 2) Weekly Delta Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report 3) Interesting aggregates Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report

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Weekly Routing Table Report
by Routing Table Analysis 09 Aug '02

09 Aug '02

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 For a graphical representation, please see http://www.apnic.net/stats/bgp. If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 20:00 +10GMT Fri 09 Aug, 2002 Analysis Summary ---------------- BGP routing table entries examined: 115042 Prefixes after maximum aggregation: 73968 Unique aggregates announced to Internet: 54874 Total ASes present in the Internet Routing Table: 13521 Origin-only ASes present in the Internet Routing Table: 11699 Origin ASes announcing only one prefix: 5192 Transit ASes present in the Internet Routing Table: 1822 Transit-only ASes present in the Internet Routing Table: 55 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 23 Illegal AS announcements present in the Routing Table: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 33 Number of addresses announced to Internet: 1196649525 Equivalent to 71 /8s, 83 /16s and 108 /24s Percentage of available address space announced: 32.3 Percentage of allocated address space announced: 59.2 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 46871 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18951 Total APNIC prefixes after maximum aggregation: 11227 Prefixes being announced from the APNIC address blocks: 17461 Unique aggregates announced from the APNIC address blocks: 10634 APNIC Region origin ASes present in the Internet Routing Table: 1586 APNIC Region origin ASes announcing only one prefix: 515 APNIC Region transit ASes present in the Internet Routing Table: 274 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 91033056 Equivalent to 5 /8s, 109 /16s and 13 /24s Percentage of available APNIC address space announced: 59.9 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/7 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 76668 Total ARIN prefixes after maximum aggregation: 48096 Prefixes being announced from the ARIN address blocks: 54172 Unique aggregates announced from the ARIN address blocks: 18183 ARIN Region origin ASes present in the Internet Routing Table: 7948 ARIN Region origin ASes announcing only one prefix: 2557 ARIN Region transit ASes present in the Internet Routing Table: 794 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 190387280 Equivalent to 11 /8s, 89 /16s and 20 /24s Percentage of available ARIN address space announced: 66.8 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 - 26623 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 19421 Total RIPE prefixes after maximum aggregation: 14645 Prefixes being announced from the RIPE address blocks: 16086 Unique aggregates announced from the RIPE address blocks: 10527 RIPE Region origin ASes present in the Internet Routing Table: 3934 RIPE Region origin ASes announcing only one prefix: 2120 RIPE Region transit ASes present in the Internet Routing Table: 742 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 113219584 Equivalent to 6 /8s, 191 /16s and 152 /24s Percentage of available RIPE address space announced: 75.0 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 RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1262 1194 898 Telstra Pty Ltd 4538 561 1279 27 China Education and Research 703 412 377 324 UUNET 2907 366 1848 344 SINET Japan 2764 360 358 331 connect.com.au pty ltd 7474 320 296 213 Optus Communications Pty Ltd 17557 298 20 95 Pakistan Telecom 4134 295 2182 104 Data Communications Bureau 4755 279 110 73 Videsh Sanchar Nigam Ltd. Aut 4766 249 1506 156 Korea Internet Exchange for " 4814 220 79 14 China Telecom (Group) 9583 180 32 5 Satyam Infoway Ltd., 17676 180 2802 32 XTAGE CORPORATION 9443 169 45 68 Primus Telecommunications 7539 147 189 142 TANet2, sponsored by NSC, TAI 9768 144 385 74 Korea Telecom 7657 132 22 91 The Internet Group Limited 9800 125 191 18 CHINA UNICOM 4713 115 1009 106 NTT Communications Corporatio 4621 114 11 62 UNINET-TH RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 906 2434 757 UUNET - Commercial IP service 3301 396 923 346 TeliaNet Sweden 5515 320 783 180 Sonera Solution Autonomous Sy 3215 289 641 178 France Telecom Transpac 3320 269 1965 208 Deutsche Telekom AG 680 237 2150 234 DFN-IP service G-WiN 5400 210 85 98 BT Ignite European Backbone 1257 208 446 203 SWIPnet Swedish IP Network 719 182 306 128 LANLINK autonomous system 786 177 1873 177 The JANET IP Service 3303 142 548 141 Swisscom Ltd 8708 142 24 139 Romania Data Systems S.A. 2856 128 787 118 BTnet UK Regional network 12302 124 18 31 MobiFon S.A. 3246 112 317 107 Song Networks 5511 110 192 88 France Telecom 3233 107 10 9 RNC - Romanian Natioanal R&D 3269 106 658 63 TELECOM ITALIA 2874 101 85 38 Global One Services AB 2830 95 243 75 UUNET Dual-Homed customers ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1802 9145 1367 UUNET Technologies, Inc. 7018 1317 7431 938 AT&T 3908 1010 1659 498 Supernet, Inc. 1239 812 3248 647 Sprint 852 754 1175 451 Telus Advanced Communications 1 711 8052 446 GENUITY 4323 639 442 263 Time Warner Communications, I 7843 630 367 225 Adelphia Corp. 7132 593 663 137 Southwestern Bell Internet Se 690 521 75 332 Merit Network 7046 514 886 316 UUNET Technologies, Inc. 209 505 2057 343 Qwest 7066 486 203 254 Virginia Polytechnic Institut 7029 451 164 54 Alltel Information Services, 3549 438 824 314 Global Crossing 6197 379 611 37 BellSouth Network Solutions, 15290 378 297 194 AT&T Canada IES 2914 365 2077 365 Verio, Inc. 6347 348 370 75 SAVVIS Communications Corpora 4355 334 278 71 EarthLink, Inc. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 561 534 China Education and Research 3908 1010 512 Supernet, Inc. 7132 593 456 Southwestern Bell Internet Se 7843 630 405 Adelphia Corp. 7029 451 397 Alltel Information Services, 7018 1317 379 AT&T 4323 639 376 Time Warner Communications, I 1221 1262 364 Telstra Pty Ltd 6197 379 342 BellSouth Network Solutions, 852 754 303 Telus Advanced Communications 1657 279 277 University of Louisville 4151 290 274 USDA 6347 348 273 SAVVIS Communications Corpora 1 711 265 GENUITY 4355 334 263 EarthLink, Inc. 18566 240 236 Covad Communications 7066 486 232 Virginia Polytechnic Institut 376 329 224 Reseau Interordinateurs Scien 7303 267 207 Telecom Argentina Stet-France 4755 279 206 Videsh Sanchar Nigam Ltd. Aut List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 26705 UNALLOCATED 12.111.19.0/24 701 UUNET Technologies, 64511 RESERVED 147.73.0.0/16 5050 Pittsburgh Supercomp 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 134.137.0.0/16 7170 AT&T Government Markets 135.0.0.0/13 10455 Lucent Technologies 137.0.0.0/13 568 DISO-UNRRA 138.94.0.0/16 1 GENUITY 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 DISA NETWORK SERVICES 192.44.0.0/19 702 UUNET - Commercial IP service 192.58.92.0/24 19548 Adelphia Business Solutions 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 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 192.91.198.0/24 2568 CTS Network Services 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.136.86.0/24 719 LANLINK autonomous system 192.136.87.0/24 719 LANLINK autonomous system 192.136.88.0/24 719 LANLINK autonomous system 192.139.62.0/24 6539 GT Group Telecom Services Cor 192.140.0.0/16 5511 France Telecom 192.153.136.0/21 568 DISO-UNRRA 192.156.0.0/19 568 DISO-UNRRA 192.156.164.0/24 19548 Adelphia Business Solutions 192.172.0.0/19 568 DISO-UNRRA 192.195.253.0/24 237 Merit Network 192.208.29.0/24 3908 Supernet, Inc. 192.208.30.0/23 3908 Supernet, Inc. 192.243.36.0/23 7168 Northwest Link Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:8 /10:7 /11:12 /12:37 /13:84 /14:231 /15:418 /16:7293 /17:1472 /18:2692 /19:7790 /20:7570 /21:5279 /22:7993 /23:9696 /24:63613 /25:201 /26:178 /27:100 /28:95 /29:70 /30:112 /31:0 /32:72 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 595 1010 Supernet, Inc. 702 554 906 UUNET - Commercial IP service 701 487 1802 UUNET Technologies, Inc. 690 467 521 Merit Network 7843 429 630 Adelphia Corp. 7066 389 486 Virginia Polytechnic Institut 7018 379 1317 AT&T 7029 356 451 Alltel Information Services, 1657 278 279 University of Louisville 6197 264 379 BellSouth Network Solutions, 6198 243 316 BellSouth Network Solutions, 18566 236 240 Covad Communications 3301 234 396 TeliaNet Sweden 3215 221 289 France Telecom Transpac 1239 214 812 Sprint 1 208 711 GENUITY 1580 202 215 ANOSCEUR 3320 201 269 Deutsche Telekom AG 4355 192 334 EarthLink, Inc. 7046 188 514 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 3:1 4:3 12:535 13:10 15:2 17:6 20:3 24:709 25:1 32:41 38:9 40:6 44:1 57:14 61:324 62:246 63:1857 64:1234 65:1426 66:988 67:97 68:81 80:260 81:43 128:67 129:151 130:21 131:55 132:11 133:2 134:124 135:10 136:500 137:96 138:151 139:72 140:174 141:46 142:70 143:50 144:139 145:17 146:240 147:141 148:244 149:79 150:39 151:69 152:271 153:36 154:11 155:114 156:70 157:116 158:67 159:134 160:22 161:76 162:213 163:87 164:263 165:126 166:217 167:253 168:294 169:60 170:233 171:3 192:5466 193:2374 194:2075 195:802 196:415 198:3676 199:3158 200:2725 202:3333 203:4741 204:3259 205:2187 206:2544 207:2565 208:2612 209:2705 210:599 211:238 212:904 213:716 214:9 215:19 216:2854 217:475 218:31 219:1 End of report

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Fwd: ARIN to allocate from 69.0.0.0/8
by leo vegoda 08 Aug '02

08 Aug '02

----- Forwarded message ----- From: "Leslie Nobile" <leslien(a)arin.net> To: <nanog(a)nanog.org> Subject: ARIN to allocate from 69.0.0.0/8 Date: 8 August 2002 14:23:58 GMT In the near future, ARIN will begin making allocations from 69.0.0.0/8. This will include allocations of /20 and shorter prefixes, according to ARIN's minimum allocation policy. For informational purposes, a list of ARIN's currently administered blocks can be found at http://www.arin.net/statistics/index.html Regards, Leslie Nobile Director, Registration Services American Registry for Internet Numbers (ARIN) ----- End forwarded message ----- Regards, -- leo vegoda RIPE NCC Registration Services

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The Cidr Report
by CIDR Report 03 Aug '02

03 Aug '02

This is an auto-generated mail on Fri Aug 2 23:00:00 PDT 2002 It is not checked before it leaves my workstation. However, hopefully you will find this report interesting and will take the time to look through this to see if you can improve the amount of aggregation you perform. Check http://www.employees.org/~tbates/cidr-report.html for a daily update of this report. NEW: Check http://www.employees.org/~tbates/cidr-report-region.html for the regional version of this report. NEW: Check http://www.employees.org/~tbates/autnums.html for a complete list of autonomous system number to name mappings as used by the CIDR-Report. The report is split into sections: 0) General Status List the route table history for the last week, list any possibly bogus routes seen and give some status on ASes. 1) Gains by aggregating at the origin AS level This lists the "Top 30" players who if they decided to aggregate their announced classful prefixes at the origin AS level could make a significant difference in the reduction of the current size of the Internet routing table. This calculation does not take into account the inclusion of holes when forming an aggregate so it is possible even larger reduction should be possible. 2) Weekly Delta A summary of the last weeks changes in terms of withdrawn and added routes. Please note that this is only a snapshot but does give some indication of ASes participating in CIDR. Clearly, it is generally a good thing to see a large amount of withdrawls. 3) Interesting aggregates Interesting here means not an aggregate made as a set of classful routes. Thanks to GX Networks for giving me access to their routing tables once a day. Please send any comments about this report directly to CIDR Report <cidr-report(a)cisco.com>. ------------------------------------------------------------------------------ CIDR REPORT for 02Aug02 0) General Status Table History ------------- Date Prefixes 260702 112031 270702 112241 280702 112472 290702 112259 300702 112104 310702 112424 010802 112379 020802 112557 Check http://www.employees.org/~tbates/cidr.plot.html for a plot of the table history. Possible Bogus Routes --------------------- AS Summary ---------- Number of ASes in routing system: 13363 Number of ASes announcing only one prefix: 8134 (4583 cidr, 3551 classful) Largest number of cidr routes: 717 announced by AS3908 Largest number of classful routes: 1212 announced by AS701 1) Gains by aggregating at the origin AS level --- 02Aug02 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS1221 1085 835 250 23.0% Telstra Pty Ltd AS701 1212 971 241 19.9% UUNET Technologies, Inc. AS17557 289 96 193 66.8% Pakistan Telecom AS6595 230 58 172 74.8% DoD Education Activity Network As AS852 540 403 137 25.4% Telus Advanced Communications AS7018 809 682 127 15.7% AT&T AS16473 195 77 118 60.5% Bell South AS1239 516 419 97 18.8% Sprint AS4151 237 142 95 40.1% USDA AS19632 99 5 94 94.9% Metropolis Intercom S.A. AS12302 120 27 93 77.5% MobiFon S.A. AS7303 163 71 92 56.4% Telecom Argentina Stet-France Tel AS16814 105 20 85 81.0% NSS, S.A. AS226 170 87 83 48.8% Los Nettos AS2048 178 103 75 42.1% State of Louisiana AS7046 294 220 74 25.2% UUNET Technologies, Inc. AS577 266 192 74 27.8% Bell Advanced Communications Inc. AS4755 204 131 73 35.8% Videsh Sanchar Nigam Ltd. Autonom AS4323 410 339 71 17.3% Time Warner Communications, Inc. AS2149 327 257 70 21.4% Performance Systems, Inc. AS724 219 157 62 28.3% DLA Systems Automation Center AS4293 246 185 61 24.8% Cable & Wireless USA AS3464 163 103 60 36.8% Alabama SuperComputer Network AS19834 64 4 60 93.8% NetForce, Inc. AS10620 85 25 60 70.6% TVCABLE BOGOTA AS1 442 384 58 13.1% GENUITY AS5515 243 186 57 23.5% Sonera Finland Autonomous System AS209 312 255 57 18.3% Qwest AS16758 63 6 57 90.5% IKON Office Solutions AS9498 85 29 56 65.9% BHARTI BT INTERNET LTD. Total 55365 42608 12757 23.0% For the rest of the previous weeks gain information please see http://www.employees.org:80/~tbates/cidr-report.html 2) Weekly Delta Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report 3) Interesting aggregates Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report

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Weekly Routing Table Report
by Routing Table Analysis 02 Aug '02

02 Aug '02

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 For a graphical representation, please see http://www.apnic.net/stats/bgp. If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 20:00 +10GMT Fri 02 Aug, 2002 Analysis Summary ---------------- BGP routing table entries examined: 114554 Prefixes after maximum aggregation: 74000 Unique aggregates announced to Internet: 54612 Total ASes present in the Internet Routing Table: 13482 Origin-only ASes present in the Internet Routing Table: 11667 Origin ASes announcing only one prefix: 5179 Transit ASes present in the Internet Routing Table: 1815 Transit-only ASes present in the Internet Routing Table: 51 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 23 Illegal AS announcements present in the Routing Table: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 36 Number of addresses announced to Internet: 1190731541 Equivalent to 70 /8s, 249 /16s and 31 /24s Percentage of available address space announced: 32.1 Percentage of allocated address space announced: 59.4 Percentage of available address space allocated: 54.1 Total number of prefixes smaller than registry allocations: 46631 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18897 Total APNIC prefixes after maximum aggregation: 11224 Prefixes being announced from the APNIC address blocks: 17403 Unique aggregates announced from the APNIC address blocks: 10608 APNIC Region origin ASes present in the Internet Routing Table: 1581 APNIC Region origin ASes announcing only one prefix: 517 APNIC Region transit ASes present in the Internet Routing Table: 276 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 90250720 Equivalent to 5 /8s, 97 /16s and 29 /24s Percentage of available APNIC address space announced: 59.4 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/7 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 76161 Total ARIN prefixes after maximum aggregation: 48172 Prefixes being announced from the ARIN address blocks: 53959 Unique aggregates announced from the ARIN address blocks: 17941 ARIN Region origin ASes present in the Internet Routing Table: 7934 ARIN Region origin ASes announcing only one prefix: 2550 ARIN Region transit ASes present in the Internet Routing Table: 783 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 193938192 Equivalent to 11 /8s, 143 /16s and 67 /24s Percentage of available ARIN address space announced: 72.2 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 - 26623 ARIN Address Blocks 24/8, 63/8, 64/6, 68/8, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 19496 Total RIPE prefixes after maximum aggregation: 14604 Prefixes being announced from the RIPE address blocks: 16178 Unique aggregates announced from the RIPE address blocks: 10532 RIPE Region origin ASes present in the Internet Routing Table: 3916 RIPE Region origin ASes announcing only one prefix: 2112 RIPE Region transit ASes present in the Internet Routing Table: 740 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 112763936 Equivalent to 6 /8s, 184 /16s and 164 /24s Percentage of available RIPE address space announced: 74.7 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 RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1252 1191 896 Telstra Pty Ltd 4538 562 1279 27 China Education and Research 703 414 376 326 UUNET 2907 364 1848 342 SINET Japan 2764 359 358 330 connect.com.au pty ltd 7474 320 296 213 Optus Communications Pty Ltd 17557 297 20 95 Pakistan Telecom 4134 293 2158 103 Data Communications Bureau 4755 291 112 77 Videsh Sanchar Nigam Ltd. Aut 4766 249 1506 156 Korea Internet Exchange for " 4814 220 79 14 China Telecom (Group) 9583 182 32 5 Satyam Infoway Ltd., 17676 172 2674 32 XTAGE CORPORATION 9443 170 45 68 Primus Telecommunications 7539 147 189 142 TANet2, sponsored by NSC, TAI 9768 144 385 74 Korea Telecom 7657 133 22 91 The Internet Group Limited 9800 125 191 18 CHINA UNICOM 4621 116 11 63 UNINET-TH 4713 115 1009 106 NTT Communications Corporatio RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 896 2423 755 UUNET - Commercial IP service 3301 396 923 346 TeliaNet Sweden 5515 320 783 180 Sonera Solution Autonomous Sy 3215 289 641 178 France Telecom Transpac 3352 275 531 31 Ibernet, Internet Access Netw 3320 269 1965 208 Deutsche Telekom AG 680 235 2150 232 DFN-IP service G-WiN 5400 209 85 97 BT Ignite European Backbone 1257 208 446 203 SWIPnet Swedish IP Network 719 183 306 128 LANLINK autonomous system 786 177 1873 177 The JANET IP Service 8708 143 23 139 Romania Data Systems S.A. 3303 141 548 140 Swisscom Ltd 2856 128 787 118 BTnet UK Regional network 12302 124 18 31 MobiFon S.A. 3269 113 690 68 TELECOM ITALIA 3246 112 317 107 Song Networks 5511 110 192 88 France Telecom 3233 105 10 9 RNC - Romanian Natioanal R&D 2874 102 85 39 Global One Services AB ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1812 9242 1369 UUNET Technologies, Inc. 7018 1317 7402 941 AT&T 3908 1030 1656 490 Supernet, Inc. 1239 830 3249 650 Sprint 852 754 1175 451 Telus Advanced Communications 1 695 8050 445 GENUITY 4323 638 442 262 Time Warner Communications, I 7843 613 364 246 Adelphia Corp. 7132 588 663 135 Southwestern Bell Internet Se 209 542 2025 343 Qwest 7046 524 887 325 UUNET Technologies, Inc. 690 520 75 331 Merit Network 7066 486 203 254 Virginia Polytechnic Institut 7029 452 164 54 Alltel Information Services, 3549 448 821 316 Global Crossing 6197 378 599 48 BellSouth Network Solutions, 15290 376 297 192 AT&T Canada IES 2149 368 174 271 Performance Systems, Inc. 2914 363 2081 363 Verio, Inc. 6347 344 370 75 SAVVIS Communications Corpora Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1030 540 Supernet, Inc. 4538 562 535 China Education and Research 7132 588 453 Southwestern Bell Internet Se 7029 452 398 Alltel Information Services, 7018 1317 376 AT&T 4323 638 376 Time Warner Communications, I 7843 613 367 Adelphia Corp. 1221 1252 356 Telstra Pty Ltd 6197 378 330 BellSouth Network Solutions, 852 754 303 Telus Advanced Communications 1657 279 277 University of Louisville 4151 289 273 USDA 6347 344 269 SAVVIS Communications Corpora 4355 326 256 EarthLink, Inc. 1 695 250 GENUITY 3352 275 244 Ibernet, Internet Access Netw 18566 237 233 Covad Communications 7066 486 232 Virginia Polytechnic Institut 4755 291 214 Videsh Sanchar Nigam Ltd. Aut 7303 271 211 Telecom Argentina Stet-France List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 134.137.0.0/16 7170 AT&T Government Markets 135.0.0.0/13 10455 Lucent Technologies 137.0.0.0/13 568 DISO-UNRRA 138.94.0.0/16 1 GENUITY 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 DISA NETWORK SERVICES 192.5.154.0/24 16588 Spider Web Hosting Solutions 192.44.0.0/19 702 UUNET - Commercial IP service 192.58.92.0/24 19548 Adelphia Business Solutions 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 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 192.91.198.0/24 2568 CTS Network Services 192.92.167.0/24 297 NASA Science Network 192.108.46.0/23 680 DFN-IP service G-WiN 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.136.86.0/24 719 LANLINK autonomous system 192.136.87.0/24 719 LANLINK autonomous system 192.136.88.0/24 719 LANLINK autonomous system 192.139.62.0/24 6539 GT Group Telecom Services Cor 192.140.0.0/16 5511 France Telecom 192.153.136.0/21 568 DISO-UNRRA 192.156.0.0/19 568 DISO-UNRRA 192.156.164.0/24 19548 Adelphia Business Solutions 192.172.0.0/19 568 DISO-UNRRA 192.195.253.0/24 237 Merit Network 192.208.29.0/24 3908 Supernet, Inc. 192.208.30.0/23 3908 Supernet, Inc. 192.243.36.0/23 7168 Northwest Link Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:7 /10:7 /11:12 /12:36 /13:86 /14:232 /15:415 /16:7285 /17:1472 /18:2665 /19:7710 /20:7498 /21:5282 /22:8005 /23:9672 /24:63338 /25:198 /26:177 /27:98 /28:88 /29:67 /30:113 /31:0 /32:72 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 606 1030 Supernet, Inc. 702 540 896 UUNET - Commercial IP service 701 494 1812 UUNET Technologies, Inc. 690 466 520 Merit Network 7843 414 613 Adelphia Corp. 7066 389 486 Virginia Polytechnic Institut 7018 374 1317 AT&T 7029 357 452 Alltel Information Services, 1657 278 279 University of Louisville 6197 264 378 BellSouth Network Solutions, 6198 243 316 BellSouth Network Solutions, 3301 234 396 TeliaNet Sweden 18566 233 237 Covad Communications 3215 221 289 France Telecom Transpac 209 220 542 Qwest 1239 213 830 Sprint 1580 201 214 ANOSCEUR 3320 201 269 Deutsche Telekom AG 3352 201 275 Ibernet, Internet Access Netw 1 195 695 GENUITY Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:525 13:10 15:2 17:6 20:3 24:699 25:1 32:41 38:9 40:6 44:1 57:13 61:326 62:236 63:1866 64:1227 65:1418 66:971 67:95 68:74 80:255 81:37 128:64 129:132 130:22 131:55 132:11 133:2 134:122 135:9 136:344 137:95 138:151 139:72 140:175 141:43 142:70 143:50 144:144 145:17 146:189 147:142 148:243 149:79 150:40 151:66 152:271 153:36 154:12 155:115 156:70 157:128 158:70 159:134 160:19 161:75 162:214 163:86 164:264 165:132 166:218 167:259 168:293 169:60 170:232 171:3 192:5467 193:2370 194:2114 195:909 196:414 198:3628 199:3155 200:2647 202:3308 203:4747 204:3256 205:2180 206:2652 207:2511 208:2611 209:2685 210:591 211:240 212:893 213:726 214:9 215:20 216:2847 217:475 218:31 End of report

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The Cidr Report
by CIDR Report 27 Jul '02

27 Jul '02

This is an auto-generated mail on Fri Jul 26 23:00:01 PDT 2002 It is not checked before it leaves my workstation. However, hopefully you will find this report interesting and will take the time to look through this to see if you can improve the amount of aggregation you perform. Check http://www.employees.org/~tbates/cidr-report.html for a daily update of this report. NEW: Check http://www.employees.org/~tbates/cidr-report-region.html for the regional version of this report. NEW: Check http://www.employees.org/~tbates/autnums.html for a complete list of autonomous system number to name mappings as used by the CIDR-Report. The report is split into sections: 0) General Status List the route table history for the last week, list any possibly bogus routes seen and give some status on ASes. 1) Gains by aggregating at the origin AS level This lists the "Top 30" players who if they decided to aggregate their announced classful prefixes at the origin AS level could make a significant difference in the reduction of the current size of the Internet routing table. This calculation does not take into account the inclusion of holes when forming an aggregate so it is possible even larger reduction should be possible. 2) Weekly Delta A summary of the last weeks changes in terms of withdrawn and added routes. Please note that this is only a snapshot but does give some indication of ASes participating in CIDR. Clearly, it is generally a good thing to see a large amount of withdrawls. 3) Interesting aggregates Interesting here means not an aggregate made as a set of classful routes. Thanks to GX Networks for giving me access to their routing tables once a day. Please send any comments about this report directly to CIDR Report <cidr-report(a)cisco.com>. ------------------------------------------------------------------------------ CIDR REPORT for 26Jul02 0) General Status Table History ------------- Date Prefixes 190702 111736 200702 112010 210702 111833 220702 111748 230702 111737 240702 111820 250702 112023 260702 112031 Check http://www.employees.org/~tbates/cidr.plot.html for a plot of the table history. Possible Bogus Routes --------------------- AS Summary ---------- Number of ASes in routing system: 13332 Number of ASes announcing only one prefix: 8124 (4581 cidr, 3543 classful) Largest number of cidr routes: 638 announced by AS3908 Largest number of classful routes: 1206 announced by AS701 1) Gains by aggregating at the origin AS level --- 26Jul02 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS1221 1088 838 250 23.0% Telstra Pty Ltd AS701 1206 967 239 19.8% UUNET Technologies, Inc. AS17557 293 101 192 65.5% Pakistan Telecom AS6595 230 58 172 74.8% DoD Education Activity Network As AS852 541 404 137 25.3% Telus Advanced Communications AS7018 808 681 127 15.7% AT&T AS16473 195 77 118 60.5% Bell South AS7303 170 73 97 57.1% Telecom Argentina Stet-France Tel AS1239 514 417 97 18.9% Sprint AS4151 237 142 95 40.1% USDA AS19632 99 5 94 94.9% Metropolis Intercom S.A. AS12302 118 25 93 78.8% MobiFon S.A. AS16814 105 20 85 81.0% NSS, S.A. AS226 171 88 83 48.5% Los Nettos AS7046 299 222 77 25.8% UUNET Technologies, Inc. AS4755 208 132 76 36.5% Videsh Sanchar Nigam Ltd. Autonom AS577 264 191 73 27.7% Bell Advanced Communications Inc. AS2149 347 274 73 21.0% Performance Systems, Inc. AS2048 179 107 72 40.2% State of Louisiana AS724 228 160 68 29.8% DLA Systems Automation Center AS4323 402 334 68 16.9% Time Warner Communications, Inc. AS3464 163 103 60 36.8% Alabama SuperComputer Network AS19834 64 4 60 93.8% NetForce, Inc. AS10620 85 25 60 70.6% TVCABLE BOGOTA AS16758 63 6 57 90.5% IKON Office Solutions AS5515 242 186 56 23.1% Sonera Finland Autonomous System AS3908 299 243 56 18.7% Supernet, Inc. AS209 311 255 56 18.0% Qwest AS9498 83 29 54 65.1% BHARTI BT INTERNET LTD. AS9051 81 27 54 66.7% INCONET Autonomous System Total 55129 42479 12650 22.9% For the rest of the previous weeks gain information please see http://www.employees.org:80/~tbates/cidr-report.html 2) Weekly Delta Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report 3) Interesting aggregates Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report

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Weekly Routing Table Report
by Routing Table Analysis 26 Jul '02

26 Jul '02

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 For a graphical representation, please see http://www.apnic.net/stats/bgp. If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 20:00 +10GMT Fri 26 Jul, 2002 Analysis Summary ---------------- BGP routing table entries examined: 114301 Prefixes after maximum aggregation: 74045 Unique aggregates announced to Internet: 54685 Total ASes present in the Internet Routing Table: 13448 Origin-only ASes present in the Internet Routing Table: 11641 Origin ASes announcing only one prefix: 5154 Transit ASes present in the Internet Routing Table: 1807 Transit-only ASes present in the Internet Routing Table: 48 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 23 Illegal AS announcements present in the Routing Table: 8 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 34 Number of addresses announced to Internet: 1161595844 Equivalent to 69 /8s, 60 /16s and 139 /24s Percentage of available address space announced: 31.3 Percentage of allocated address space announced: 57.9 Percentage of available address space allocated: 54.1 Total number of prefixes smaller than registry allocations: 46284 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18971 Total APNIC prefixes after maximum aggregation: 11212 Prefixes being announced from the APNIC address blocks: 17475 Unique aggregates announced from the APNIC address blocks: 10633 APNIC Region origin ASes present in the Internet Routing Table: 1578 APNIC Region origin ASes announcing only one prefix: 515 APNIC Region transit ASes present in the Internet Routing Table: 277 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 13 Number of APNIC addresses announced to Internet: 89876320 Equivalent to 5 /8s, 91 /16s and 103 /24s Percentage of available APNIC address space announced: 59.1 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/7 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 75906 Total ARIN prefixes after maximum aggregation: 48221 Prefixes being announced from the ARIN address blocks: 53985 Unique aggregates announced from the ARIN address blocks: 18013 ARIN Region origin ASes present in the Internet Routing Table: 7906 ARIN Region origin ASes announcing only one prefix: 2528 ARIN Region transit ASes present in the Internet Routing Table: 780 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 190252864 Equivalent to 11 /8s, 87 /16s and 7 /24s Percentage of available ARIN address space announced: 70.9 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 - 26623 ARIN Address Blocks 24/8, 63/8, 64/6, 68/8, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 19417 Total RIPE prefixes after maximum aggregation: 14612 Prefixes being announced from the RIPE address blocks: 16114 Unique aggregates announced from the RIPE address blocks: 10485 RIPE Region origin ASes present in the Internet Routing Table: 3917 RIPE Region origin ASes announcing only one prefix: 2111 RIPE Region transit ASes present in the Internet Routing Table: 736 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 112921632 Equivalent to 6 /8s, 187 /16s and 12 /24s Percentage of available RIPE address space announced: 74.8 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 RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1249 1191 897 Telstra Pty Ltd 4538 541 1278 26 China Education and Research 703 413 360 326 UUNET 2907 362 1832 340 SINET Japan 2764 359 358 330 connect.com.au pty ltd 7474 317 296 213 Optus Communications Pty Ltd 17557 296 20 103 Pakistan Telecom 4134 293 2142 103 Data Communications Bureau 4755 292 112 76 Videsh Sanchar Nigam Ltd. Aut 9443 253 45 68 Primus Telecommunications 4766 249 1506 156 Korea Internet Exchange for " 4814 215 79 14 China Telecom (Group) 9583 180 32 5 Satyam Infoway Ltd., 17676 169 2626 32 XTAGE CORPORATION 9768 143 384 73 Korea Telecom 7657 129 22 88 The Internet Group Limited 9800 125 191 18 CHINA UNICOM 4780 122 186 39 Digital United Inc. 7539 119 184 118 TANet2, sponsored by NSC, TAI 4621 115 11 63 UNINET-TH RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 898 2441 756 UUNET - Commercial IP service 3301 395 923 345 TeliaNet Sweden 5515 319 783 180 Sonera Solution Autonomous Sy 3215 277 640 175 France Telecom Transpac 3352 275 531 31 Ibernet, Internet Access Netw 3320 266 1964 205 Deutsche Telekom AG 680 235 2150 232 DFN-IP service G-WiN 5400 209 85 97 BT Ignite European Backbone 1257 208 446 203 SWIPnet Swedish IP Network 719 182 306 127 LANLINK autonomous system 786 177 1873 177 The JANET IP Service 3303 141 548 140 Swisscom Ltd 8708 140 23 136 Romania Data Systems S.A. 2856 128 787 118 BTnet UK Regional network 12302 123 18 30 MobiFon S.A. 3269 113 690 68 TELECOM ITALIA 3246 112 317 107 Song Networks 5511 110 192 88 France Telecom 3233 107 10 9 RNC - Romanian Natioanal R&D 2874 102 85 39 Global One Services AB ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1822 9181 1375 UUNET Technologies, Inc. 7018 1316 7402 943 AT&T 3908 951 1653 492 Supernet, Inc. 1239 814 3245 642 Sprint 852 756 1175 452 Telus Advanced Communications 1 691 8067 442 GENUITY 4323 629 439 258 Time Warner Communications, I 7843 596 358 241 Adelphia Corp. 7132 583 659 133 Southwestern Bell Internet Se 209 536 2026 349 Qwest 7046 534 889 333 UUNET Technologies, Inc. 690 521 75 330 Merit Network 7066 485 203 254 Virginia Polytechnic Institut 7029 463 165 56 Alltel Information Services, 3549 428 812 308 Global Crossing 2149 388 176 288 Performance Systems, Inc. 15290 378 297 193 AT&T Canada IES 6197 377 611 37 BellSouth Network Solutions, 2914 367 2083 367 Verio, Inc. 6347 343 370 76 SAVVIS Communications Corpora Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 541 515 China Education and Research 3908 951 459 Supernet, Inc. 7132 583 450 Southwestern Bell Internet Se 7029 463 407 Alltel Information Services, 7018 1316 373 AT&T 4323 629 371 Time Warner Communications, I 7843 596 355 Adelphia Corp. 1221 1249 352 Telstra Pty Ltd 6197 377 340 BellSouth Network Solutions, 852 756 304 Telus Advanced Communications 4151 289 273 USDA 6347 343 267 SAVVIS Communications Corpora 4355 324 255 EarthLink, Inc. 1 691 249 GENUITY 3352 275 244 Ibernet, Internet Access Netw 18566 236 232 Covad Communications 7066 485 231 Virginia Polytechnic Institut 7303 278 219 Telecom Argentina Stet-France 4755 292 216 Videsh Sanchar Nigam Ltd. Aut 1580 216 202 ANOSCEUR List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 55000 RESERVED 81.5.64.0/20 5467 MIPT-NET 65003 PRIVATE 202.92.84.0/24 9837 Powertel Ltd 65003 PRIVATE 202.92.84.0/22 9837 Powertel Ltd 65003 PRIVATE 202.92.85.0/24 9837 Powertel Ltd 65003 PRIVATE 202.92.119.0/24 9837 Powertel Ltd 65003 PRIVATE 203.56.32.0/24 9837 Powertel Ltd 65003 PRIVATE 203.56.33.0/24 9837 Powertel Ltd 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 134.137.0.0/16 7170 AT&T Government Markets 135.0.0.0/13 10455 Lucent Technologies 137.0.0.0/13 568 DISO-UNRRA 138.94.0.0/16 1 GENUITY 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 DISA NETWORK SERVICES 192.5.154.0/24 16588 Spider Web Hosting Solutions 192.44.0.0/19 702 UUNET - Commercial IP service 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 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 192.91.198.0/24 2568 CTS Network Services 192.92.167.0/24 297 NASA Science Network 192.108.46.0/23 680 DFN-IP service G-WiN 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.136.86.0/24 719 LANLINK autonomous system 192.136.87.0/24 719 LANLINK autonomous system 192.136.88.0/24 719 LANLINK autonomous system 192.139.62.0/24 6539 GT Group Telecom Services Cor 192.140.0.0/16 5511 France Telecom 192.153.136.0/21 568 DISO-UNRRA 192.156.0.0/19 568 DISO-UNRRA 192.172.0.0/19 568 DISO-UNRRA 192.195.253.0/24 237 Merit Network 192.208.29.0/24 3908 Supernet, Inc. 192.208.30.0/23 3908 Supernet, Inc. 192.243.36.0/23 7168 Northwest Link Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:17 /9:6 /10:7 /11:12 /12:35 /13:86 /14:235 /15:415 /16:7276 /17:1458 /18:2663 /19:7703 /20:7470 /21:5253 /22:7976 /23:9740 /24:63292 /25:199 /26:158 /27:85 /28:74 /29:48 /30:72 /31:0 /32:21 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 702 542 898 UUNET - Commercial IP service 3908 529 951 Supernet, Inc. 701 502 1822 UUNET Technologies, Inc. 690 463 521 Merit Network 7843 401 596 Adelphia Corp. 7066 388 485 Virginia Polytechnic Institut 7018 370 1316 AT&T 7029 366 463 Alltel Information Services, 6197 262 377 BellSouth Network Solutions, 6198 237 310 BellSouth Network Solutions, 3301 233 395 TeliaNet Sweden 18566 232 236 Covad Communications 209 213 536 Qwest 3215 210 277 France Telecom Transpac 1239 203 814 Sprint 1580 203 216 ANOSCEUR 3352 200 275 Ibernet, Internet Access Netw 7046 199 534 UUNET Technologies, Inc. 3320 198 266 Deutsche Telekom AG 1 189 691 GENUITY Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:515 13:10 15:2 17:6 20:3 24:690 25:1 32:41 38:9 40:6 44:1 57:13 61:321 62:237 63:1894 64:1219 65:1409 66:997 67:91 68:67 80:251 81:40 128:65 129:131 130:22 131:53 132:11 133:2 134:124 135:8 136:244 137:95 138:151 139:72 140:169 141:121 142:79 143:45 144:143 145:17 146:189 147:139 148:242 149:80 150:39 151:66 152:269 153:34 154:14 155:115 156:70 157:124 158:70 159:134 160:19 161:74 162:214 163:91 164:263 165:132 166:219 167:178 168:295 169:59 170:242 171:3 192:5463 193:2376 194:2101 195:925 196:415 198:3624 199:3179 200:2610 202:3313 203:4783 204:3250 205:2209 206:2679 207:2525 208:2612 209:2721 210:595 211:238 212:902 213:662 214:9 215:20 216:2833 217:469 218:27 End of report

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