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Weekly Routing Table Report
by Routing Analysis Role Account 27 Aug '10

27 Aug '10

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats(a)lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 28 Aug, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 329510 Prefixes after maximum aggregation: 151625 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 161906 Total ASes present in the Internet Routing Table: 34686 Prefixes per ASN: 9.50 Origin-only ASes present in the Internet Routing Table: 30086 Origin ASes announcing only one prefix: 14608 Transit ASes present in the Internet Routing Table: 4600 Transit-only ASes present in the Internet Routing Table: 106 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 1590 Unregistered ASNs in the Routing Table: 797 Number of 32-bit ASNs allocated by the RIRs: 748 Prefixes from 32-bit ASNs in the Routing Table: 962 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 170 Number of addresses announced to Internet: 2293803456 Equivalent to 136 /8s, 184 /16s and 169 /24s Percentage of available address space announced: 61.9 Percentage of allocated address space announced: 66.1 Percentage of available address space allocated: 93.7 Percentage of address space in use by end-sites: 84.5 Total number of prefixes smaller than registry allocations: 156020 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 80080 Total APNIC prefixes after maximum aggregation: 27494 APNIC Deaggregation factor: 2.91 Prefixes being announced from the APNIC address blocks: 77020 Unique aggregates announced from the APNIC address blocks: 33981 APNIC Region origin ASes present in the Internet Routing Table: 4178 APNIC Prefixes per ASN: 18.43 APNIC Region origin ASes announcing only one prefix: 1167 APNIC Region transit ASes present in the Internet Routing Table: 640 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 541736480 Equivalent to 32 /8s, 74 /16s and 62 /24s Percentage of available APNIC address space announced: 76.9 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 135692 Total ARIN prefixes after maximum aggregation: 69900 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 108438 Unique aggregates announced from the ARIN address blocks: 42670 ARIN Region origin ASes present in the Internet Routing Table: 13878 ARIN Prefixes per ASN: 7.81 ARIN Region origin ASes announcing only one prefix: 5319 ARIN Region transit ASes present in the Internet Routing Table: 1380 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 732630688 Equivalent to 43 /8s, 171 /16s and 14 /24s Percentage of available ARIN address space announced: 62.4 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 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, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 75384 Total RIPE prefixes after maximum aggregation: 44003 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 68841 Unique aggregates announced from the RIPE address blocks: 45070 RIPE Region origin ASes present in the Internet Routing Table: 14722 RIPE Prefixes per ASN: 4.68 RIPE Region origin ASes announcing only one prefix: 7583 RIPE Region transit ASes present in the Internet Routing Table: 2207 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 436405504 Equivalent to 26 /8s, 3 /16s and 5 /24s Percentage of available RIPE address space announced: 76.5 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 196608-197631 RIPE Address Blocks 2/8, 25/8, 31/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 176/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 29777 Total LACNIC prefixes after maximum aggregation: 7078 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 28269 Unique aggregates announced from the LACNIC address blocks: 15311 LACNIC Region origin ASes present in the Internet Routing Table: 1338 LACNIC Prefixes per ASN: 21.13 LACNIC Region origin ASes announcing only one prefix: 414 LACNIC Region transit ASes present in the Internet Routing Table: 237 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 76818560 Equivalent to 4 /8s, 148 /16s and 40 /24s Percentage of available LACNIC address space announced: 57.2 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 7369 Total AfriNIC prefixes after maximum aggregation: 1886 AfriNIC Deaggregation factor: 3.91 Prefixes being announced from the AfriNIC address blocks: 5717 Unique aggregates announced from the AfriNIC address blocks: 1722 AfriNIC Region origin ASes present in the Internet Routing Table: 397 AfriNIC Prefixes per ASN: 14.40 AfriNIC Region origin ASes announcing only one prefix: 125 AfriNIC Region transit ASes present in the Internet Routing Table: 91 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 20112896 Equivalent to 1 /8s, 50 /16s and 230 /24s Percentage of available AfriNIC address space announced: 59.9 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1866 8412 498 Korea Telecom (KIX) 4755 1482 302 162 TATA Communications formerly 7545 1385 234 86 TPG Internet Pty Ltd 17488 1342 153 130 Hathway IP Over Cable Interne 17974 1168 295 81 PT TELEKOMUNIKASI INDONESIA 9583 1017 76 490 Sify Limited 24560 998 303 179 Bharti Airtel Ltd., Telemedia 4808 917 1692 247 CNCGROUP IP network: China169 9829 818 689 36 BSNL National Internet Backbo 4134 785 22475 418 CHINANET-BACKBONE Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3843 3668 277 bellsouth.net, inc. 4323 2701 1115 393 Time Warner Telecom 19262 1802 4626 276 Verizon Global Networks 1785 1791 698 131 PaeTec Communications, Inc. 20115 1493 1529 653 Charter Communications 7018 1470 5734 953 AT&T WorldNet Services 6478 1308 274 118 AT&T Worldnet Services 2386 1289 554 907 AT&T Data Communications Serv 11492 1239 214 119 Cable One 22773 1180 2858 61 Cox Communications, Inc. Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3292 449 2026 390 TDC Tele Danmark 30890 443 99 211 Evolva Telecom 702 407 1870 324 UUNET - Commercial IP service 8866 403 117 18 Bulgarian Telecommunication C 8551 401 353 46 Bezeq International 3320 376 7329 325 Deutsche Telekom AG 3301 374 1416 329 TeliaNet Sweden 34984 367 89 185 BILISIM TELEKOM 12479 350 576 5 Uni2 Autonomous System 31148 326 17 80 FreeNet ISP Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1526 3049 246 UniNet S.A. de C.V. 10620 1102 246 148 TVCABLE BOGOTA 28573 1025 833 111 NET Servicos de Comunicao S.A 6503 835 187 257 AVANTEL, S.A. 7303 791 408 101 Telecom Argentina Stet-France 14420 553 35 76 CORPORACION NACIONAL DE TELEC 22047 551 310 15 VTR PUNTO NET S.A. 3816 477 210 100 Empresa Nacional de Telecomun 7738 477 922 30 Telecomunicacoes da Bahia S.A 11172 445 99 76 Servicios Alestra S.A de C.V Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 1145 445 10 TEDATA 24863 725 147 39 LINKdotNET AS number 36992 661 279 185 Etisalat MISR 3741 267 907 225 The Internet Solution 33776 209 12 12 Starcomms Nigeria Limited 2018 197 277 64 Tertiary Education Network 6713 195 186 16 Itissalat Al-MAGHRIB 29571 193 19 11 Ci Telecom Autonomous system 24835 190 78 9 RAYA Telecom - Egypt 16637 147 440 96 MTN Network Solutions Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3843 3668 277 bellsouth.net, inc. 4323 2701 1115 393 Time Warner Telecom 4766 1866 8412 498 Korea Telecom (KIX) 19262 1802 4626 276 Verizon Global Networks 1785 1791 698 131 PaeTec Communications, Inc. 8151 1526 3049 246 UniNet S.A. de C.V. 20115 1493 1529 653 Charter Communications 4755 1482 302 162 TATA Communications formerly 7018 1470 5734 953 AT&T WorldNet Services 7545 1385 234 86 TPG Internet Pty Ltd Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2701 2308 Time Warner Telecom 1785 1791 1660 PaeTec Communications, Inc. 19262 1802 1526 Verizon Global Networks 4766 1866 1368 Korea Telecom (KIX) 4755 1482 1320 TATA Communications formerly 7545 1385 1299 TPG Internet Pty Ltd 8151 1526 1280 UniNet S.A. de C.V. 17488 1342 1212 Hathway IP Over Cable Interne 6478 1308 1190 AT&T Worldnet Services 8452 1145 1135 TEDATA Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 11946 UNALLOCATED 8.12.155.0/24 40913 Quality Technology S 33084 UNALLOCATED 8.15.195.0/24 3356 Level 3 Communicatio 16734 UNALLOCATED 8.18.204.0/24 26914 Global Netoptex, Inc 22015 UNALLOCATED 8.22.137.0/24 14989 Broadview Networks 46856 UNALLOCATED 8.22.184.0/22 3561 Savvis 26169 UNALLOCATED 8.225.177.0/24 20225 TelJet 32249 UNALLOCATED 8.225.178.0/24 3356 Level 3 Communicatio 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 46883 UNALLOCATED 12.4.222.0/24 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.0.0.0/16 12654 RIPE NCC RIS Project 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.189.0/24 6453 Teleglobe Inc. 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd 41.223.199.0/24 36990 Alkan Telecom Ltd Complete listing at http://thyme.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:21 /9:10 /10:25 /11:67 /12:198 /13:414 /14:721 /15:1314 /16:11254 /17:5413 /18:9271 /19:18630 /20:23332 /21:23461 /22:30502 /23:29899 /24:171828 /25:1059 /26:1198 /27:718 /28:115 /29:47 /30:6 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2459 3843 bellsouth.net, inc. 4766 1488 1866 Korea Telecom (KIX) 4323 1365 2701 Time Warner Telecom 1785 1254 1791 PaeTec Communications, Inc. 11492 1091 1239 Cable One 17488 1084 1342 Hathway IP Over Cable Interne 18566 1068 1087 Covad Communications 8452 1036 1145 TEDATA 10620 1015 1102 TVCABLE BOGOTA 24560 897 998 Bharti Airtel Ltd., Telemedia Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:56 2:2 4:13 8:303 12:2014 13:8 14:1 15:21 16:3 17:9 20:7 24:1436 27:289 31:1 32:61 33:22 38:695 40:97 41:2521 44:3 46:45 47:16 52:12 55:7 56:2 57:28 58:801 59:503 60:460 61:1074 62:1086 63:1975 64:3740 65:2323 66:4032 67:1839 68:1122 69:2788 70:743 71:372 72:1940 73:2 74:2320 75:274 76:327 77:882 78:624 79:437 80:1038 81:804 82:503 83:510 84:691 85:1043 86:481 87:696 88:317 89:1532 90:97 91:2989 92:423 93:985 94:1161 95:679 96:489 97:217 98:621 99:34 108:64 109:651 110:456 111:556 112:279 113:314 114:451 115:573 116:1095 117:658 118:484 119:895 120:141 121:708 122:1540 123:955 124:1119 125:1242 128:226 129:158 130:199 131:540 132:247 133:17 134:195 135:45 136:236 137:136 138:264 139:105 140:476 141:197 142:344 143:351 144:471 145:52 146:427 147:170 148:679 149:305 150:153 151:233 152:299 153:169 154:3 155:361 156:165 157:328 158:118 159:358 160:315 161:183 162:269 163:167 164:416 165:369 166:467 167:423 168:654 169:158 170:722 171:61 172:2 173:1008 174:502 175:155 176:1 177:1 178:435 180:586 181:1 182:234 183:237 184:204 186:565 187:453 188:797 189:757 190:3978 192:5764 193:4754 194:3427 195:2788 196:1172 198:3577 199:3579 200:5430 201:1580 202:8055 203:8300 204:4010 205:2398 206:2534 207:3077 208:3887 209:3469 210:2561 211:1297 212:1754 213:1683 214:658 215:67 216:4775 217:1576 218:478 219:379 220:1140 221:388 222:290 223:7 End of report

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BGP Update Report
by cidr-report＠potaroo.net 21 Aug '10

21 Aug '10

BGP Update Report Interval: 12-Aug-10 -to- 19-Aug-10 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS3303 26875 2.2% 144.5 -- SWISSCOM Swisscom (Switzerland) Ltd 2 - AS3464 26141 2.2% 2010.8 -- ASC-NET - Alabama Supercomputer Network 3 - AS7552 22624 1.9% 28.1 -- VIETEL-AS-AP Vietel Corporation 4 - AS21332 21803 1.8% 427.5 -- NTC-AS JSC "NTC" (New Telephone Company) 5 - AS7018 17719 1.5% 5.4 -- ATT-INTERNET4 - AT&T WorldNet Services 6 - AS5416 16956 1.4% 144.9 -- BATELCO-BH 7 - AS5536 14238 1.2% 135.6 -- Internet-Egypt 8 - AS45464 12413 1.0% 326.7 -- NEXTWEB-AS-AP Room 201, TGU Bldg 9 - AS3816 11661 1.0% 28.0 -- COLOMBIA TELECOMUNICACIONES S.A. ESP 10 - AS11351 11526 0.9% 36.2 -- RR-NYSREGION-ASN-01 - Road Runner HoldCo LLC 11 - AS32528 10734 0.9% 2683.5 -- ABBOTT Abbot Labs 12 - AS35931 10633 0.9% 3544.3 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 13 - AS8452 10213 0.8% 15.2 -- TEDATA TEDATA 14 - AS10474 10205 0.8% 275.8 -- NETACTIVE 15 - AS6503 10190 0.8% 9.6 -- Axtel, S.A.B. de C. V. 16 - AS8151 9378 0.8% 18.1 -- Uninet S.A. de C.V. 17 - AS31204 8006 0.7% 307.9 -- SUNCOMMUNICATIONS-AS JV "Sun Communications" Autonomous System 18 - AS21017 7945 0.7% 794.5 -- VSI-AS VSI AS 19 - AS5800 7078 0.6% 37.9 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 20 - AS17894 5987 0.5% 285.1 -- APMI-AS-AP AyalaPort Makati, Inc. / Data Center Operator TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS35931 10633 0.9% 3544.3 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 2 - AS32528 10734 0.9% 2683.5 -- ABBOTT Abbot Labs 3 - AS3464 26141 2.2% 2010.8 -- ASC-NET - Alabama Supercomputer Network 4 - AS3 1788 0.1% 181.0 -- PREDATOR-AS LTD Predatori 5 - AS2472 3361 0.3% 1680.5 -- FR-DOM-GUYANE Guyane Francaise 6 - AS53532 1528 0.1% 1528.0 -- KINGMETALS - King Architectural Metals 7 - AS48565 1390 0.1% 1390.0 -- POCZTAPOLSKA-AS Poczta Polska Spolka Akcyjna 8 - AS21184 3806 0.3% 1268.7 -- FARPOST Farpost Int. 9 - AS11196 1127 0.1% 1127.0 -- NESTLE-USA - Nestle USA 10 - AS26615 993 0.1% 993.0 -- Tim Celular S.A. 11 - AS47144 822 0.1% 822.0 -- WELLNET-AS LLC "WellNet" 12 - AS53083 802 0.1% 802.0 -- 13 - AS21017 7945 0.7% 794.5 -- VSI-AS VSI AS 14 - AS11613 786 0.1% 786.0 -- U-SAVE - U-Save Auto Rental of America, Inc. 15 - AS50010 1353 0.1% 676.5 -- NAWRAS-AS Omani Qatari Telecommunications Company SAOC 16 - AS16861 458 0.0% 458.0 -- REVELEX - Revelex.com 17 - AS9556 1714 0.1% 428.5 -- ADAM-AS-AP Adam Internet Pty Ltd 18 - AS21332 21803 1.8% 427.5 -- NTC-AS JSC "NTC" (New Telephone Company) 19 - AS26383 2986 0.2% 426.6 -- CHILITECH - CHILITECH INTERNET SOLUTIONS, INC. 20 - AS45936 345 0.0% 345.0 -- AE-MANILA-AS-AP Affinity Express TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 129.66.128.0/17 13061 1.0% AS3464 -- ASC-NET - Alabama Supercomputer Network 2 - 129.66.0.0/17 13058 1.0% AS3464 -- ASC-NET - Alabama Supercomputer Network 3 - 196.2.16.0/24 10063 0.8% AS10474 -- NETACTIVE 4 - 63.211.68.0/22 6107 0.5% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 5 - 190.65.228.0/22 5588 0.4% AS3816 -- COLOMBIA TELECOMUNICACIONES S.A. ESP 6 - 130.36.34.0/24 5355 0.4% AS32528 -- ABBOTT Abbot Labs 7 - 130.36.35.0/24 5352 0.4% AS32528 -- ABBOTT Abbot Labs 8 - 148.204.141.0/24 5100 0.4% AS8151 -- Uninet S.A. de C.V. 9 - 216.126.136.0/22 4768 0.4% AS6316 -- AS-PAETEC-NET - PaeTec Communications, Inc. 10 - 198.140.43.0/24 4519 0.3% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 11 - 84.255.152.0/24 4066 0.3% AS5416 -- BATELCO-BH 12 - 84.255.146.0/24 4061 0.3% AS5416 -- BATELCO-BH 13 - 84.255.145.0/24 4060 0.3% AS5416 -- BATELCO-BH 14 - 84.255.147.0/24 4057 0.3% AS5416 -- BATELCO-BH 15 - 95.32.128.0/18 3954 0.3% AS21017 -- VSI-AS VSI AS 16 - 95.32.192.0/18 3951 0.3% AS21017 -- VSI-AS VSI AS 17 - 203.28.157.0/24 3419 0.3% AS4802 -- ASN-IINET iiNet Limited 18 - 93.81.204.0/23 3050 0.2% AS8402 -- CORBINA-AS Corbina Telecom 19 - 206.184.16.0/24 3036 0.2% AS174 -- COGENT Cogent/PSI 20 - 202.92.235.0/24 2211 0.2% AS9498 -- BBIL-AP BHARTI Airtel Ltd. Details at http://bgpupdates.potaroo.net ------------------------------------ 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 21 Aug '10

21 Aug '10

This report has been generated at Fri Aug 20 21:12:23 2010 AEST. The report analyses the BGP Routing Table of AS2.0 router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org for a current version of this report. Recent Table History Date Prefixes CIDR Agg 13-08-10 331362 204688 14-08-10 331685 204585 15-08-10 331552 204754 16-08-10 331652 205014 17-08-10 331723 205160 18-08-10 331801 205480 19-08-10 333149 205770 20-08-10 333340 205938 AS Summary 35161 Number of ASes in routing system 14950 Number of ASes announcing only one prefix 4451 Largest number of prefixes announced by an AS AS4323 : TWTC - tw telecom holdings, inc. 97264960 Largest address span announced by an AS (/32s) AS4134 : CHINANET-BACKBONE No.31,Jin-rong Street 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'). --- 20Aug10 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 333341 205949 127392 38.2% All ASes AS6389 3848 281 3567 92.7% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS4323 4451 1843 2608 58.6% TWTC - tw telecom holdings, inc. AS19262 1800 274 1526 84.8% VZGNI-TRANSIT - Verizon Online LLC AS4766 1864 512 1352 72.5% KIXS-AS-KR Korea Telecom AS22773 1178 66 1112 94.4% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. AS4755 1478 425 1053 71.2% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP AS18566 1087 63 1024 94.2% COVAD - Covad Communications Co. AS5668 1114 99 1015 91.1% AS-5668 - CenturyTel Internet Holdings, Inc. AS17488 1341 326 1015 75.7% HATHWAY-NET-AP Hathway IP Over Cable Internet AS6478 1301 374 927 71.3% ATT-INTERNET3 - AT&T WorldNet Services AS8151 1526 638 888 58.2% Uninet S.A. de C.V. AS10620 1094 287 807 73.8% Telmex Colombia S.A. AS8452 1162 425 737 63.4% TEDATA TEDATA AS7545 1402 723 679 48.4% TPG-INTERNET-AP TPG Internet Pty Ltd AS7303 790 114 676 85.6% Telecom Argentina S.A. AS4808 898 277 621 69.2% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS1785 1790 1180 610 34.1% AS-PAETEC-NET - PaeTec Communications, Inc. AS4804 678 73 605 89.2% MPX-AS Microplex PTY LTD AS13343 965 376 589 61.0% SCRR-13343 - Road Runner HoldCo LLC AS7552 654 91 563 86.1% VIETEL-AS-AP Vietel Corporation AS4780 691 161 530 76.7% SEEDNET Digital United Inc. AS7018 1480 956 524 35.4% ATT-INTERNET4 - AT&T WorldNet Services AS28573 1071 558 513 47.9% NET Servicos de Comunicao S.A. AS17676 576 76 500 86.8% GIGAINFRA Softbank BB Corp. AS3356 1149 674 475 41.3% LEVEL3 Level 3 Communications AS7011 1132 658 474 41.9% FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc. AS22047 549 76 473 86.2% VTR BANDA ANCHA S.A. AS14420 552 83 469 85.0% CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP AS24560 996 533 463 46.5% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services AS36992 657 209 448 68.2% ETISALAT-MISR Total 39274 12431 26843 68.3% Top 30 total Possible Bogus Routes 31.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 31.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 31.1.24.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 41.222.79.0/24 AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited 41.223.92.0/22 AS36936 CELTEL-GABON Celtel Gabon Internet Service 41.223.189.0/24 AS6453 GLOBEINTERNET TATA Communications 41.223.196.0/24 AS36990 41.223.197.0/24 AS36990 41.223.198.0/24 AS36990 41.223.199.0/24 AS36990 62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV 62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV 64.20.80.0/20 AS40028 SPD-NETWORK-1 - SPD NETWORK 64.21.192.0/20 AS11610 INETNEBR-1 - Internet Nebraska Corporation 64.21.212.0/22 AS11610 INETNEBR-1 - Internet Nebraska Corporation 64.21.216.0/21 AS11610 INETNEBR-1 - Internet Nebraska Corporation 64.82.128.0/19 AS16617 COMMUNITYISP - CISP 64.82.160.0/19 AS16617 COMMUNITYISP - CISP 66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION 66.206.32.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.33.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.34.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.35.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.47.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 66.207.32.0/20 AS23011 66.230.240.0/20 AS27286 66.245.176.0/20 AS19318 NJIIX-AS-1 - NEW JERSEY INTERNATIONAL INTERNET EXCHANGE LLC 69.6.80.0/24 AS13442 69.6.81.0/24 AS13442 71.19.134.0/23 AS3313 INET-AS I.NET S.p.A. 71.19.160.0/23 AS4648 NZIX-2 Netgate 72.22.32.0/19 AS33150 72.22.61.0/24 AS33150 72.22.62.0/24 AS33150 76.77.32.0/19 AS2828 XO-AS15 - XO Communications 80.88.10.0/24 AS33774 DJAWEB 80.88.12.0/24 AS33779 wataniya-telecom-as 110.34.44.0/22 AS12653 COMTONET KB Impuls Hellas 110.173.64.0/19 AS37963 CNNIC-ALIBABA-CN-NET-AP Alibaba (China) Technology Co., Ltd. 116.68.136.0/21 AS28045 Pantel Communications 117.120.56.0/21 AS4755 TATACOMM-AS TATA Communications formerly VSNL is Leading ISP 121.46.0.0/16 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 121.50.168.0/21 AS9931 CAT-AP The Communication Authoity of Thailand, CAT 158.222.70.0/23 AS6137 SISNA - SISNA, Inc. 158.222.72.0/23 AS6137 SISNA - SISNA, Inc. 158.222.224.0/20 AS19864 O1COMM - O1 COMMUNICATIONS 158.222.224.0/22 AS19864 O1COMM - O1 COMMUNICATIONS 158.222.229.0/24 AS19864 O1COMM - O1 COMMUNICATIONS 176.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 176.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 176.1.24.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 177.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 177.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 177.1.8.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 181.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 181.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 181.1.8.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 190.102.32.0/20 AS30058 ACTIVO-SYSTEMS-AS30058 ACTIVO-SYSTEMS-AS30058 190.104.32.0/21 AS27882 Telefónica Celular de Bolivia S.A. 192.9.0.0/16 AS11479 BRM-SUN-AS - Sun Microsystems, Inc 192.64.85.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network 192.69.108.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network 192.70.164.0/24 AS25689 NRCNET-AS - National Research Council of Canada 192.101.46.0/24 AS6503 Axtel, S.A.B. de C. V. 192.101.64.0/21 AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe 192.101.70.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 192.101.71.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 192.101.72.0/24 AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe 192.101.74.0/24 AS1239 SPRINTLINK - Sprint 192.124.252.0/22 AS680 DFN-IP service X-WiN 192.131.233.0/24 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 192.154.32.0/19 AS81 NCREN - MCNC 192.154.64.0/19 AS81 NCREN - MCNC 192.188.208.0/20 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 196.2.224.0/22 AS24863 LINKdotNET-AS 196.6.108.0/24 AS5713 SAIX-NET 196.13.201.0/24 AS2018 TENET-1 196.13.202.0/24 AS2018 TENET-1 196.13.203.0/24 AS2018 TENET-1 196.13.204.0/24 AS2018 TENET-1 196.110.105.0/24 AS8513 SKYVISION SkyVision Network Services 196.201.248.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.249.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.250.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.251.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.253.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.255.0/24 AS30991 SAHANNET Sahannet AS Network 196.202.224.0/21 AS8818 TELE Greenland Autonomous System 198.1.2.0/24 AS4761 INDOSAT-INP-AP INDOSAT Internet Network Provider 198.23.26.0/24 AS4390 BELLATLANTIC-COM - Bell Atlantic, Inc. 198.51.100.0/24 AS16953 ASCENT-MEDIA-GROUP-LLC - Ascent Media Group, LLC 198.73.210.0/24 AS21570 ACI-1 - Accelerated Connections Inc. 198.74.38.0/24 AS16966 SBCIDC-LSAN03 - AT&T Internet Services 198.74.39.0/24 AS16966 SBCIDC-LSAN03 - AT&T Internet Services 198.74.40.0/24 AS16966 SBCIDC-LSAN03 - AT&T Internet Services 198.97.72.0/21 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 198.97.96.0/19 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 198.97.240.0/20 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 198.99.241.0/24 AS11797 AC-NIELSEN-AS AC NIELSEN 198.135.236.0/24 AS4358 XNET - XNet Information Systems, Inc. 198.161.87.0/24 AS6539 GT-BELL - Bell Canada 198.163.214.0/24 AS21804 ACCESS-SK - Access Communications Co-operative Limited 198.167.0.0/16 AS7456 INTERHOP - Interhop Network SERVICES Inc. 198.168.0.0/16 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 198.169.0.0/16 AS803 SASKTEL - Saskatchewan Telecommunications 198.180.198.0/24 AS23715 SEOUL-INTGW-GXS-AP Global Exchange Services 198.182.235.0/24 AS3356 LEVEL3 Level 3 Communications 199.10.0.0/16 AS721 DNIC-ASBLK-00721-00726 - DoD Network Information Center 199.16.32.0/19 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 199.121.0.0/16 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 199.123.16.0/20 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 199.185.130.0/23 AS19662 UNISERVE-ONLINE - Uniserve On Line 199.202.0.0/16 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 199.202.216.0/21 AS577 BACOM - Bell Canada 199.233.92.0/24 AS26896 D102-ITC - Data 102, LLC 199.246.116.0/24 AS813 UUNET-CANADA - MCI Communications Services, Inc. d/b/a Verizon Business 200.24.73.0/24 AS26061 Equant Colombia 200.24.78.0/26 AS3549 GBLX Global Crossing Ltd. 200.24.78.64/26 AS3549 GBLX Global Crossing Ltd. 202.9.55.0/24 AS2764 AAPT AAPT Limited 202.9.57.0/24 AS2764 AAPT AAPT Limited 202.38.63.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.58.113.0/24 AS19161 202.61.75.0/24 AS9927 PHILCOMNET-PH A Multihomed ISP Company 202.66.128.0/18 AS9584 GENESIS-AP Diyixian.com Limited 202.66.160.0/19 AS9584 GENESIS-AP Diyixian.com Limited 202.66.160.0/20 AS9584 GENESIS-AP Diyixian.com Limited 202.66.176.0/20 AS9584 GENESIS-AP Diyixian.com Limited 202.66.184.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.66.186.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.66.188.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.66.189.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.66.190.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.73.144.0/20 AS4788 TMNET-AS-AP TM Net, Internet Service Provider 202.80.192.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) Limited 202.86.252.0/22 AS4748 RESOLINK-AS-AP Resources Link Network Limited 202.86.252.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.253.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.254.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.255.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.94.1.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.133.37.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.133.70.0/24 AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited 202.133.73.0/24 AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited 202.136.254.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.136.255.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.150.227.0/24 AS17727 NAPINFO-AS-AP PT. NAP Info Lintas Nusa 202.174.70.0/24 AS21175 WIS Wind International Services SA 202.174.125.0/24 AS9498 BBIL-AP BHARTI Airtel Ltd. 202.176.1.0/24 AS9942 COMINDICO-AP SOUL Converged Communications Australia 202.179.130.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.131.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.133.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.134.0/24 AS23966 LDN-AS-PK LINKdotNET Telecom Limited 202.179.144.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.149.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.150.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.181.32.0/24 AS4645 ASN-HKNET-AP HKNet Co. Ltd 203.12.45.0/24 AS4854 NETSPACE-AS-AP Netspace Online Systems 203.62.0.0/17 AS7575 AARNET-AS-AP Australian Academic and Reasearch Network (AARNet) 203.78.48.0/20 AS9299 IPG-AS-AP Philippine Long Distance Telephone Company 203.80.136.0/21 AS4759 EVOSERVE-AS-AP EvoServe is a content and online access Internet provider company 203.112.111.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.113.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.114.0/24 AS4802 ASN-IINET iiNet Limited 203.112.116.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.117.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.118.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.119.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.120.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.121.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.127.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.128.128.0/24 AS23849 CNNIC-NET263-AP Beijing Capital-online science development Co.,Ltd. 203.142.219.0/24 AS45149 204.9.216.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 204.9.218.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 204.10.232.0/21 AS33150 204.19.14.0/23 AS577 BACOM - Bell Canada 204.28.104.0/21 AS25973 MZIMA - Mzima Networks, Inc. 204.197.0.0/16 AS3356 LEVEL3 Level 3 Communications 204.209.114.0/24 AS13768 PEER1 - Peer 1 Network Inc. 204.238.70.0/24 AS36826 205.150.0.0/15 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 205.189.134.0/24 AS11814 DISTRIBUTEL-AS11814 - DISTRIBUTEL COMMUNICATIONS LTD. 205.196.24.0/22 AS33724 BIZNESSHOSTING - VOLICO 205.210.145.0/24 AS11814 DISTRIBUTEL-AS11814 - DISTRIBUTEL COMMUNICATIONS LTD. 206.72.192.0/23 AS27375 IDS-TELECOM - IDS Telecom 206.72.194.0/23 AS27375 IDS-TELECOM - IDS Telecom 206.72.196.0/23 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 206.72.208.0/24 AS16526 BIRCH-TELECOM - Birch Telecom, Inc. 206.72.209.0/24 AS16526 BIRCH-TELECOM - Birch Telecom, Inc. 206.123.129.0/24 AS10790 INREACH-AS - InReach Internet 206.180.240.0/20 AS12083 KNOLOGY-NET - Knology Holdings 206.197.184.0/24 AS23304 DATOTEL-STL-AS - Datotel LLC, a NetLabs LLC Company 207.174.131.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.132.0/23 AS26116 INDRA - Indra's Net Inc. 207.174.152.0/23 AS26116 INDRA - Indra's Net Inc. 207.174.154.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.155.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.188.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.189.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.190.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.191.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.200.0/24 AS22658 EARTHNET - Earthnet, Inc. 207.174.248.0/21 AS6653 PRIVATEI - privateI, LLC 207.231.96.0/19 AS11194 NUNETPA - NuNet Inc. 208.73.4.0/22 AS27630 PREMIER - Premier Innovations, LLC 208.78.164.0/24 AS16565 208.78.165.0/24 AS16565 208.78.167.0/24 AS16565 208.84.76.0/22 AS18561 208.92.196.0/22 AS10929 NETELLIGENT - Netelligent Hosting Services Inc. 208.92.199.0/24 AS26198 3MENATWORK - 3Men@Work Integrated Networks, Inc. 209.54.123.0/24 AS6062 NETPLEX - NETPLEX 209.105.224.0/19 AS20074 209.165.239.0/24 AS209 ASN-QWEST - Qwest Communications Company, LLC 209.213.0.0/20 AS33005 ELTOPIA - Eltopia.com, LLC 209.213.1.0/24 AS7849 CROCKERCOM - CROCKER COMMUNICATIONS 209.213.4.0/24 AS7849 CROCKERCOM - CROCKER COMMUNICATIONS 210.5.128.0/20 AS4837 CHINA169-BACKBONE CNCGROUP China169 Backbone 210.56.150.0/23 AS38138 INTECH-TRANSIT-BD InTech Online Limited, INTERNET SERVICE LIMITED 210.247.224.0/19 AS7496 WEBCENTRAL-AS WebCentral 216.21.196.0/24 AS12251 INVISION - Invision.com, Inc. 216.21.201.0/24 AS12251 INVISION - Invision.com, Inc. 216.21.202.0/24 AS12251 INVISION - Invision.com, Inc. 216.21.206.0/23 AS12251 INVISION - Invision.com, Inc. 216.58.192.0/24 AS22702 X5SOLUTIONS - X5 Solutions, Inc. 216.58.197.0/24 AS22702 X5SOLUTIONS - X5 Solutions, Inc. 216.58.200.0/24 AS18530 ISOMEDIA-1 - Isomedia Inc. 216.172.198.0/24 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. 216.172.199.0/24 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. 216.250.112.0/20 AS7296 ALCHEMYNET - Alchemy Communications, Inc. 216.250.116.0/24 AS36066 UNI-MARKETING-ALLIANCE - Webhost4life.com 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 Analysis Role Account 20 Aug '10

20 Aug '10

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats(a)lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 21 Aug, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 328585 Prefixes after maximum aggregation: 151394 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 161190 Total ASes present in the Internet Routing Table: 34625 Prefixes per ASN: 9.49 Origin-only ASes present in the Internet Routing Table: 30038 Origin ASes announcing only one prefix: 14583 Transit ASes present in the Internet Routing Table: 4587 Transit-only ASes present in the Internet Routing Table: 105 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 1213 Unregistered ASNs in the Routing Table: 618 Number of 32-bit ASNs allocated by the RIRs: 740 Prefixes from 32-bit ASNs in the Routing Table: 925 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 170 Number of addresses announced to Internet: 2258724928 Equivalent to 134 /8s, 161 /16s and 104 /24s Percentage of available address space announced: 60.9 Percentage of allocated address space announced: 65.1 Percentage of available address space allocated: 93.7 Percentage of address space in use by end-sites: 84.4 Total number of prefixes smaller than registry allocations: 155755 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 80054 Total APNIC prefixes after maximum aggregation: 27467 APNIC Deaggregation factor: 2.91 Prefixes being announced from the APNIC address blocks: 76989 Unique aggregates announced from the APNIC address blocks: 33885 APNIC Region origin ASes present in the Internet Routing Table: 4163 APNIC Prefixes per ASN: 18.49 APNIC Region origin ASes announcing only one prefix: 1166 APNIC Region transit ASes present in the Internet Routing Table: 641 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 541568800 Equivalent to 32 /8s, 71 /16s and 175 /24s Percentage of available APNIC address space announced: 76.9 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 135154 Total ARIN prefixes after maximum aggregation: 69850 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 107936 Unique aggregates announced from the ARIN address blocks: 42495 ARIN Region origin ASes present in the Internet Routing Table: 13862 ARIN Prefixes per ASN: 7.79 ARIN Region origin ASes announcing only one prefix: 5313 ARIN Region transit ASes present in the Internet Routing Table: 1369 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 731597472 Equivalent to 43 /8s, 155 /16s and 74 /24s Percentage of available ARIN address space announced: 62.3 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 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, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 75066 Total RIPE prefixes after maximum aggregation: 43881 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 68498 Unique aggregates announced from the RIPE address blocks: 45003 RIPE Region origin ASes present in the Internet Routing Table: 14701 RIPE Prefixes per ASN: 4.66 RIPE Region origin ASes announcing only one prefix: 7570 RIPE Region transit ASes present in the Internet Routing Table: 2202 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 436120704 Equivalent to 25 /8s, 254 /16s and 172 /24s Percentage of available RIPE address space announced: 76.5 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 196608-197631 RIPE Address Blocks 2/8, 25/8, 31/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 176/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 29723 Total LACNIC prefixes after maximum aggregation: 7064 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 28237 Unique aggregates announced from the LACNIC address blocks: 15039 LACNIC Region origin ASes present in the Internet Routing Table: 1332 LACNIC Prefixes per ASN: 21.20 LACNIC Region origin ASes announcing only one prefix: 410 LACNIC Region transit ASes present in the Internet Routing Table: 239 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 76854656 Equivalent to 4 /8s, 148 /16s and 181 /24s Percentage of available LACNIC address space announced: 57.3 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 7417 Total AfriNIC prefixes after maximum aggregation: 1893 AfriNIC Deaggregation factor: 3.92 Prefixes being announced from the AfriNIC address blocks: 5736 Unique aggregates announced from the AfriNIC address blocks: 1684 AfriNIC Region origin ASes present in the Internet Routing Table: 395 AfriNIC Prefixes per ASN: 14.52 AfriNIC Region origin ASes announcing only one prefix: 124 AfriNIC Region transit ASes present in the Internet Routing Table: 88 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 20171264 Equivalent to 1 /8s, 51 /16s and 202 /24s Percentage of available AfriNIC address space announced: 60.1 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1864 8412 498 Korea Telecom (KIX) 4755 1477 298 162 TATA Communications formerly 7545 1380 234 86 TPG Internet Pty Ltd 17488 1341 151 131 Hathway IP Over Cable Interne 17974 1217 293 76 PT TELEKOMUNIKASI INDONESIA 9583 1010 75 494 Sify Limited 24560 996 303 179 Bharti Airtel Ltd., Telemedia 4808 898 1671 245 CNCGROUP IP network: China169 9829 819 689 35 BSNL National Internet Backbo 4134 796 22476 419 CHINANET-BACKBONE Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3850 3684 276 bellsouth.net, inc. 4323 2710 1116 395 Time Warner Telecom 19262 1800 4623 274 Verizon Global Networks 1785 1790 698 131 PaeTec Communications, Inc. 20115 1490 1527 653 Charter Communications 7018 1482 5736 956 AT&T WorldNet Services 6478 1301 272 125 AT&T Worldnet Services 2386 1287 554 909 AT&T Data Communications Serv 11492 1243 214 117 Cable One 22773 1177 2858 61 Cox Communications, Inc. Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3292 449 2026 390 TDC Tele Danmark 30890 443 99 211 Evolva Telecom 702 413 1870 326 UUNET - Commercial IP service 8866 403 117 18 Bulgarian Telecommunication C 8551 401 353 46 Bezeq International 3320 377 7329 326 Deutsche Telekom AG 3301 374 1416 329 TeliaNet Sweden 34984 367 89 182 BILISIM TELEKOM 12479 353 576 5 Uni2 Autonomous System 3215 321 3202 93 France Telecom Transpac Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1528 3049 247 UniNet S.A. de C.V. 10620 1093 244 150 TVCABLE BOGOTA 28573 1071 834 110 NET Servicos de Comunicao S.A 6503 811 187 263 AVANTEL, S.A. 7303 791 408 101 Telecom Argentina Stet-France 14420 552 35 78 CORPORACION NACIONAL DE TELEC 22047 549 310 15 VTR PUNTO NET S.A. 7738 477 922 30 Telecomunicacoes da Bahia S.A 3816 476 209 99 Empresa Nacional de Telecomun 11172 447 99 76 Servicios Alestra S.A de C.V Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 1163 445 10 TEDATA 24863 728 147 39 LINKdotNET AS number 36992 657 279 183 Etisalat MISR 3741 270 898 232 The Internet Solution 33776 209 12 12 Starcomms Nigeria Limited 2018 197 277 64 Tertiary Education Network 6713 195 186 16 Itissalat Al-MAGHRIB 24835 193 78 9 RAYA Telecom - Egypt 29571 193 19 11 Ci Telecom Autonomous system 16637 149 440 95 MTN Network Solutions Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3850 3684 276 bellsouth.net, inc. 4323 2710 1116 395 Time Warner Telecom 4766 1864 8412 498 Korea Telecom (KIX) 19262 1800 4623 274 Verizon Global Networks 1785 1790 698 131 PaeTec Communications, Inc. 8151 1528 3049 247 UniNet S.A. de C.V. 20115 1490 1527 653 Charter Communications 7018 1482 5736 956 AT&T WorldNet Services 4755 1477 298 162 TATA Communications formerly 7545 1380 234 86 TPG Internet Pty Ltd Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2710 2315 Time Warner Telecom 1785 1790 1659 PaeTec Communications, Inc. 19262 1800 1526 Verizon Global Networks 4766 1864 1366 Korea Telecom (KIX) 4755 1477 1315 TATA Communications formerly 7545 1380 1294 TPG Internet Pty Ltd 8151 1528 1281 UniNet S.A. de C.V. 17488 1341 1210 Hathway IP Over Cable Interne 6478 1301 1176 AT&T Worldnet Services 8452 1163 1153 TEDATA Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16734 UNALLOCATED 8.18.204.0/24 26914 Global Netoptex, Inc 22015 UNALLOCATED 8.22.137.0/24 14989 Broadview Networks 46856 UNALLOCATED 8.22.184.0/22 3561 Savvis 26169 UNALLOCATED 8.225.177.0/24 20225 TelJet 32249 UNALLOCATED 8.225.178.0/24 3356 Level 3 Communicatio 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 23054 UNALLOCATED 12.18.240.0/24 7018 AT&T WorldNet Servic 33198 UNALLOCATED 12.19.149.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.0.0.0/16 12654 RIPE NCC RIS Project 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.189.0/24 6453 Teleglobe Inc. 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd 41.223.199.0/24 36990 Alkan Telecom Ltd Complete listing at http://thyme.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:10 /10:25 /11:67 /12:198 /13:413 /14:722 /15:1311 /16:11218 /17:5411 /18:9272 /19:18562 /20:23351 /21:23365 /22:30395 /23:29879 /24:171207 /25:1056 /26:1192 /27:734 /28:118 /29:47 /30:6 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2463 3850 bellsouth.net, inc. 4766 1487 1864 Korea Telecom (KIX) 4323 1373 2710 Time Warner Telecom 1785 1253 1790 PaeTec Communications, Inc. 11492 1086 1243 Cable One 17488 1084 1341 Hathway IP Over Cable Interne 18566 1068 1087 Covad Communications 8452 1052 1163 TEDATA 10620 1006 1093 TVCABLE BOGOTA 24560 895 996 Bharti Airtel Ltd., Telemedia Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:55 2:2 4:13 8:299 12:2009 13:7 14:1 15:21 16:3 17:9 20:6 24:1430 27:297 31:1 32:61 33:22 38:698 40:97 41:2518 44:3 46:26 47:16 52:12 55:7 56:2 57:29 58:800 59:506 60:460 61:1075 62:1063 63:1968 64:3733 65:2309 66:4010 67:1823 68:1105 69:2771 70:745 71:357 72:1941 73:2 74:2318 75:263 76:327 77:889 78:618 79:438 80:1017 81:798 82:504 83:490 84:691 85:1047 86:473 87:692 88:307 89:1519 90:99 91:2974 92:417 93:1005 94:1176 95:679 96:521 97:216 98:612 99:34 108:64 109:635 110:449 111:542 112:277 113:312 114:447 115:574 116:1095 117:658 118:491 119:888 120:140 121:716 122:1532 123:945 124:1125 125:1246 128:227 129:164 130:201 131:539 132:247 133:16 134:195 135:45 136:237 137:135 138:270 139:105 140:474 141:197 142:342 143:374 144:472 145:52 146:413 147:172 148:677 149:303 150:153 151:228 152:299 153:169 154:3 155:361 156:166 157:328 158:118 159:361 160:316 161:183 162:255 163:168 164:414 165:367 166:457 167:413 168:652 169:159 170:718 171:60 172:2 173:981 174:511 175:154 176:1 177:1 178:406 180:586 181:1 182:169 183:238 184:210 186:565 187:423 188:796 189:759 190:3959 192:5761 193:4741 194:3418 195:2780 196:1186 198:3570 199:3575 200:5399 201:1586 202:8034 203:8262 204:4015 205:2393 206:2486 207:3063 208:3889 209:3466 210:2562 211:1315 212:1765 213:1682 214:658 215:67 216:4693 217:1556 218:502 219:379 220:1142 221:404 222:316 223:3 End of report

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BGP Update Report
by cidr-report＠potaroo.net 14 Aug '10

14 Aug '10

BGP Update Report Interval: 05-Aug-10 -to- 12-Aug-10 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS3464 25838 2.5% 1174.5 -- ASC-NET - Alabama Supercomputer Network 2 - AS5536 21300 2.1% 213.0 -- Internet-Egypt 3 - AS23700 18395 1.8% 13.0 -- BM-AS-ID PT. Broadband Multimedia, Tbk 4 - AS35931 17042 1.7% 5680.7 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 5 - AS35805 14085 1.4% 17.3 -- SILKNET-AS SILKNET ISP 6 - AS31204 13268 1.3% 510.3 -- SUNCOMMUNICATIONS-AS JV "Sun Communications" Autonomous System 7 - AS7552 9994 1.0% 13.1 -- VIETEL-AS-AP Vietel Corporation 8 - AS32528 9802 1.0% 2450.5 -- ABBOTT Abbot Labs 9 - AS3816 8831 0.9% 27.2 -- COLOMBIA TELECOMUNICACIONES S.A. ESP 10 - AS9829 8773 0.9% 45.2 -- BSNL-NIB National Internet Backbone 11 - AS48754 8596 0.8% 8596.0 -- SOBIS-AS SOBIS SOLUTIONS SRL 12 - AS5800 8393 0.8% 40.9 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 13 - AS21017 7703 0.8% 770.3 -- VSI-AS VSI AS 14 - AS45464 7558 0.7% 184.3 -- NEXTWEB-AS-AP Room 201, TGU Bldg 15 - AS15802 7310 0.7% 10.4 -- DU-AS1 Emirates Integrated Telecommunications Company PJSC (EITC-DU) 16 - AS17488 7171 0.7% 18.6 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 17 - AS37204 7088 0.7% 708.8 -- TELONE 18 - AS36992 6632 0.7% 47.7 -- ETISALAT-MISR 19 - AS8452 6509 0.6% 13.4 -- TEDATA TEDATA 20 - AS17974 5823 0.6% 7.3 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS48754 8596 0.8% 8596.0 -- SOBIS-AS SOBIS SOLUTIONS SRL 2 - AS35931 17042 1.7% 5680.7 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 3 - AS11196 2978 0.3% 2978.0 -- NESTLE-USA - Nestle USA 4 - AS32528 9802 1.0% 2450.5 -- ABBOTT Abbot Labs 5 - AS53532 1565 0.1% 1565.0 -- KINGMETALS - King Architectural Metals 6 - AS3464 25838 2.5% 1174.5 -- ASC-NET - Alabama Supercomputer Network 7 - AS17819 4690 0.5% 1172.5 -- ASN-EQUINIX-AP Equinix Asia Pacific 8 - AS46715 1117 0.1% 1117.0 -- ENERGYNET-COM - EnergyNet.com, Inc. 9 - AS21017 7703 0.8% 770.3 -- VSI-AS VSI AS 10 - AS47593 766 0.1% 766.0 -- ATELECOM A-Telcom Ltd 11 - AS27027 744 0.1% 744.0 -- ANBELL ASN-ANBELL 12 - AS523 2201 0.2% 733.7 -- REDSTONE-AS - Headquarters, USAISC 13 - AS37204 7088 0.7% 708.8 -- TELONE 14 - AS11613 699 0.1% 699.0 -- U-SAVE - U-Save Auto Rental of America, Inc. 15 - AS16906 1226 0.1% 613.0 -- El Salvador Network, S. A. 16 - AS48565 591 0.1% 591.0 -- POCZTAPOLSKA-AS Poczta Polska Spolka Akcyjna 17 - AS50257 1038 0.1% 519.0 -- A-MOBILE-AS JV A-Mobile Ltd. 18 - AS31204 13268 1.3% 510.3 -- SUNCOMMUNICATIONS-AS JV "Sun Communications" Autonomous System 19 - AS26383 3126 0.3% 446.6 -- CHILITECH - CHILITECH INTERNET SOLUTIONS, INC. 20 - AS27094 416 0.0% 416.0 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 129.66.128.0/17 12893 1.2% AS3464 -- ASC-NET - Alabama Supercomputer Network 2 - 129.66.0.0/17 12888 1.2% AS3464 -- ASC-NET - Alabama Supercomputer Network 3 - 63.211.68.0/22 9458 0.9% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 4 - 91.212.23.0/24 8596 0.8% AS48754 -- SOBIS-AS SOBIS SOLUTIONS SRL 5 - 198.140.43.0/24 7559 0.7% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 6 - 190.65.228.0/22 5735 0.5% AS3816 -- COLOMBIA TELECOMUNICACIONES S.A. ESP 7 - 130.36.34.0/24 4898 0.4% AS32528 -- ABBOTT Abbot Labs 8 - 130.36.35.0/24 4898 0.4% AS32528 -- ABBOTT Abbot Labs 9 - 95.32.192.0/18 3835 0.3% AS21017 -- VSI-AS VSI AS 10 - 95.32.128.0/18 3800 0.3% AS21017 -- VSI-AS VSI AS 11 - 41.34.29.0/24 3224 0.3% AS8452 -- TEDATA TEDATA 12 - 196.2.16.0/24 3144 0.3% AS10474 -- NETACTIVE 13 - 206.184.16.0/24 3044 0.3% AS174 -- COGENT Cogent/PSI 14 - 63.78.157.0/24 2978 0.3% AS11196 -- NESTLE-USA - Nestle USA 15 - 202.92.235.0/24 2498 0.2% AS9498 -- BBIL-AP BHARTI Airtel Ltd. 16 - 216.126.136.0/22 2492 0.2% AS6316 -- AS-PAETEC-NET - PaeTec Communications, Inc. 17 - 202.167.253.0/24 2342 0.2% AS17819 -- ASN-EQUINIX-AP Equinix Asia Pacific 18 - 202.177.223.0/24 2342 0.2% AS17819 -- ASN-EQUINIX-AP Equinix Asia Pacific 19 - 72.20.248.0/21 1968 0.2% AS26383 -- CHILITECH - CHILITECH INTERNET SOLUTIONS, INC. 20 - 143.138.107.0/24 1595 0.1% AS747 -- TAEGU-AS - Headquarters, USAISC Details at http://bgpupdates.potaroo.net ------------------------------------ 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 14 Aug '10

14 Aug '10

This report has been generated at Fri Aug 13 21:11:36 2010 AEST. The report analyses the BGP Routing Table of AS2.0 router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org for a current version of this report. Recent Table History Date Prefixes CIDR Agg 06-08-10 330860 204039 07-08-10 330883 203929 08-08-10 330806 204061 09-08-10 330840 204237 10-08-10 331016 204310 11-08-10 331070 204498 12-08-10 331297 204410 13-08-10 331362 204873 AS Summary 35099 Number of ASes in routing system 14911 Number of ASes announcing only one prefix 4495 Largest number of prefixes announced by an AS AS4323 : TWTC - tw telecom holdings, inc. 96214848 Largest address span announced by an AS (/32s) AS4134 : CHINANET-BACKBONE No.31,Jin-rong Street 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'). --- 13Aug10 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 331680 204731 126949 38.3% All ASes AS6389 3855 284 3571 92.6% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS4323 4495 1840 2655 59.1% TWTC - tw telecom holdings, inc. AS19262 1946 279 1667 85.7% VZGNI-TRANSIT - Verizon Online LLC AS4766 1862 509 1353 72.7% KIXS-AS-KR Korea Telecom AS22773 1176 66 1110 94.4% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. AS4755 1508 433 1075 71.3% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP AS17488 1343 301 1042 77.6% HATHWAY-NET-AP Hathway IP Over Cable Internet AS5668 1129 89 1040 92.1% AS-5668 - CenturyTel Internet Holdings, Inc. AS18566 1087 63 1024 94.2% COVAD - Covad Communications Co. AS6478 1291 373 918 71.1% ATT-INTERNET3 - AT&T WorldNet Services AS8151 1463 568 895 61.2% Uninet S.A. de C.V. AS10620 1091 290 801 73.4% Telmex Colombia S.A. AS8452 1162 430 732 63.0% TEDATA TEDATA AS1785 1785 1090 695 38.9% AS-PAETEC-NET - PaeTec Communications, Inc. AS7545 1401 717 684 48.8% TPG-INTERNET-AP TPG Internet Pty Ltd AS7303 789 111 678 85.9% Telecom Argentina S.A. AS4808 899 279 620 69.0% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS4804 677 72 605 89.4% MPX-AS Microplex PTY LTD AS7552 652 92 560 85.9% VIETEL-AS-AP Vietel Corporation AS4780 691 165 526 76.1% SEEDNET Digital United Inc. AS7018 1477 954 523 35.4% ATT-INTERNET4 - AT&T WorldNet Services AS24560 1005 491 514 51.1% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services AS17676 574 75 499 86.9% GIGAINFRA Softbank BB Corp. AS3356 1152 665 487 42.3% LEVEL3 Level 3 Communications AS7011 1137 659 478 42.0% FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc. AS22047 550 76 474 86.2% VTR BANDA ANCHA S.A. AS28573 1067 602 465 43.6% NET Servicos de Comunicao S.A. AS7738 477 30 447 93.7% Telecomunicacoes da Bahia S.A. AS14420 547 104 443 81.0% CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP AS36992 652 210 442 67.8% ETISALAT-MISR Total 38940 11917 27023 69.4% Top 30 total Possible Bogus Routes 31.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 31.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 31.1.24.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 41.222.79.0/24 AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited 41.223.92.0/22 AS36936 CELTEL-GABON Celtel Gabon Internet Service 41.223.188.0/24 AS22351 INTELSAT Intelsat Global BGP Routing Policy 41.223.189.0/24 AS6453 GLOBEINTERNET TATA Communications 41.223.196.0/24 AS36990 41.223.197.0/24 AS36990 41.223.198.0/24 AS36990 41.223.199.0/24 AS36990 49.0.0.0/8 AS237 MERIT-AS-14 - Merit Network Inc. 62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV 62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV 64.20.80.0/20 AS40028 SPD-NETWORK-1 - SPD NETWORK 64.21.192.0/20 AS11610 INETNEBR-1 - Internet Nebraska Corporation 64.21.212.0/22 AS11610 INETNEBR-1 - Internet Nebraska Corporation 64.21.216.0/21 AS11610 INETNEBR-1 - Internet Nebraska Corporation 64.82.128.0/19 AS16617 COMMUNITYISP - CISP 64.82.160.0/19 AS16617 COMMUNITYISP - CISP 66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION 66.206.32.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.33.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.34.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.35.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.47.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 66.207.32.0/20 AS23011 66.230.240.0/20 AS27286 66.245.176.0/20 AS19318 NJIIX-AS-1 - NEW JERSEY INTERNATIONAL INTERNET EXCHANGE LLC 69.6.80.0/24 AS13442 69.6.81.0/24 AS13442 71.19.134.0/23 AS3313 INET-AS I.NET S.p.A. 71.19.160.0/23 AS4648 NZIX-2 Netgate 72.22.32.0/19 AS33150 72.22.61.0/24 AS33150 72.22.62.0/24 AS33150 76.77.32.0/19 AS2828 XO-AS15 - XO Communications 80.88.10.0/24 AS33774 DJAWEB 80.88.12.0/24 AS33779 wataniya-telecom-as 101.0.0.0/8 AS237 MERIT-AS-14 - Merit Network Inc. 110.34.44.0/22 AS12653 COMTONET KB Impuls Hellas 110.173.64.0/19 AS37963 CNNIC-ALIBABA-CN-NET-AP Alibaba (China) Technology Co., Ltd. 116.68.136.0/21 AS28045 Pantel Communications 117.120.56.0/21 AS4755 TATACOMM-AS TATA Communications formerly VSNL is Leading ISP 121.46.0.0/16 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 121.50.168.0/21 AS9931 CAT-AP The Communication Authoity of Thailand, CAT 158.222.70.0/23 AS6137 SISNA - SISNA, Inc. 158.222.72.0/23 AS6137 SISNA - SISNA, Inc. 158.222.224.0/20 AS19864 O1COMM - O1 COMMUNICATIONS 158.222.224.0/22 AS19864 O1COMM - O1 COMMUNICATIONS 158.222.229.0/24 AS19864 O1COMM - O1 COMMUNICATIONS 172.247.100.0/22 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 176.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 176.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 176.1.24.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 177.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 177.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 177.1.8.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 178.212.136.0/24 AS47316 ENGINE-NETWORKS-AS Engine Networks (Formerly Engine Technology S.r.l.) 178.212.137.0/24 AS47316 ENGINE-NETWORKS-AS Engine Networks (Formerly Engine Technology S.r.l.) 178.212.138.0/24 AS47316 ENGINE-NETWORKS-AS Engine Networks (Formerly Engine Technology S.r.l.) 178.212.139.0/24 AS47316 ENGINE-NETWORKS-AS Engine Networks (Formerly Engine Technology S.r.l.) 178.212.140.0/24 AS47316 ENGINE-NETWORKS-AS Engine Networks (Formerly Engine Technology S.r.l.) 178.212.141.0/24 AS47316 ENGINE-NETWORKS-AS Engine Networks (Formerly Engine Technology S.r.l.) 178.212.142.0/24 AS47316 ENGINE-NETWORKS-AS Engine Networks (Formerly Engine Technology S.r.l.) 178.212.143.0/24 AS47316 ENGINE-NETWORKS-AS Engine Networks (Formerly Engine Technology S.r.l.) 181.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 181.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 181.1.8.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 190.102.32.0/20 AS30058 ACTIVO-SYSTEMS-AS30058 ACTIVO-SYSTEMS-AS30058 190.104.32.0/21 AS27882 Telefónica Celular de Bolivia S.A. 192.9.0.0/16 AS11479 BRM-SUN-AS - Sun Microsystems, Inc 192.64.85.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network 192.69.108.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network 192.70.164.0/24 AS25689 NRCNET-AS - National Research Council of Canada 192.101.46.0/24 AS6503 Axtel, S.A.B. de C. V. 192.101.64.0/21 AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe 192.101.70.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 192.101.71.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 192.101.72.0/24 AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe 192.101.74.0/24 AS1239 SPRINTLINK - Sprint 192.124.252.0/22 AS680 DFN-IP service X-WiN 192.131.233.0/24 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 192.154.32.0/19 AS81 NCREN - MCNC 192.154.64.0/19 AS81 NCREN - MCNC 192.188.208.0/20 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 196.2.224.0/22 AS24863 LINKdotNET-AS 196.6.108.0/24 AS5713 SAIX-NET 196.13.201.0/24 AS2018 TENET-1 196.13.202.0/24 AS2018 TENET-1 196.13.203.0/24 AS2018 TENET-1 196.13.204.0/24 AS2018 TENET-1 196.110.105.0/24 AS8513 SKYVISION SkyVision Network Services 196.201.248.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.249.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.250.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.251.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.253.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.255.0/24 AS30991 SAHANNET Sahannet AS Network 196.202.224.0/21 AS8818 TELE Greenland Autonomous System 198.1.2.0/24 AS4761 INDOSAT-INP-AP INDOSAT Internet Network Provider 198.23.26.0/24 AS4390 BELLATLANTIC-COM - Bell Atlantic, Inc. 198.51.100.0/24 AS16953 ASCENT-MEDIA-GROUP-LLC - Ascent Media Group, LLC 198.73.210.0/24 AS21570 ACI-1 - Accelerated Connections Inc. 198.74.38.0/24 AS16966 SBCIDC-LSAN03 - AT&T Internet Services 198.74.39.0/24 AS16966 SBCIDC-LSAN03 - AT&T Internet Services 198.74.40.0/24 AS16966 SBCIDC-LSAN03 - AT&T Internet Services 198.97.72.0/21 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 198.97.96.0/19 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 198.97.240.0/20 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 198.99.241.0/24 AS11797 AC-NIELSEN-AS AC NIELSEN 198.135.236.0/24 AS4358 XNET - XNet Information Systems, Inc. 198.161.87.0/24 AS6539 GT-BELL - Bell Canada 198.163.214.0/24 AS21804 ACCESS-SK - Access Communications Co-operative Limited 198.167.0.0/16 AS7456 INTERHOP - Interhop Network SERVICES Inc. 198.168.0.0/16 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 198.169.0.0/16 AS803 SASKTEL - Saskatchewan Telecommunications 198.180.198.0/24 AS23715 SEOUL-INTGW-GXS-AP Global Exchange Services 198.182.235.0/24 AS3356 LEVEL3 Level 3 Communications 199.10.0.0/16 AS721 DNIC-ASBLK-00721-00726 - DoD Network Information Center 199.16.32.0/19 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 199.121.0.0/16 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 199.123.16.0/20 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 199.185.130.0/23 AS19662 UNISERVE-ONLINE - Uniserve On Line 199.202.0.0/16 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 199.202.216.0/21 AS577 BACOM - Bell Canada 199.233.92.0/24 AS26896 D102-ITC - Data 102, LLC 199.246.116.0/24 AS813 UUNET-CANADA - MCI Communications Services, Inc. d/b/a Verizon Business 202.9.55.0/24 AS2764 AAPT AAPT Limited 202.9.57.0/24 AS2764 AAPT AAPT Limited 202.38.63.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.58.113.0/24 AS19161 202.61.75.0/24 AS9927 PHILCOMNET-PH A Multihomed ISP Company 202.66.128.0/18 AS9584 GENESIS-AP Diyixian.com Limited 202.66.160.0/19 AS9584 GENESIS-AP Diyixian.com Limited 202.66.160.0/20 AS9584 GENESIS-AP Diyixian.com Limited 202.66.176.0/20 AS9584 GENESIS-AP Diyixian.com Limited 202.66.184.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.66.186.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.66.188.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.66.189.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.66.190.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.73.144.0/20 AS4788 TMNET-AS-AP TM Net, Internet Service Provider 202.80.192.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) Limited 202.86.252.0/22 AS4748 RESOLINK-AS-AP Resources Link Network Limited 202.86.252.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.253.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.254.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.255.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.94.1.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.133.37.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.133.70.0/24 AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited 202.133.73.0/24 AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited 202.136.254.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.136.255.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.150.227.0/24 AS17727 NAPINFO-AS-AP PT. NAP Info Lintas Nusa 202.174.70.0/24 AS21175 WIS Wind International Services SA 202.174.125.0/24 AS9498 BBIL-AP BHARTI Airtel Ltd. 202.176.1.0/24 AS9942 COMINDICO-AP SOUL Converged Communications Australia 202.179.130.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.131.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.133.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.134.0/24 AS23966 LDN-AS-PK LINKdotNET Telecom Limited 202.179.144.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.149.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.150.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.181.32.0/24 AS4645 ASN-HKNET-AP HKNet Co. Ltd 203.12.45.0/24 AS4854 NETSPACE-AS-AP Netspace Online Systems 203.62.0.0/17 AS7575 AARNET-AS-AP Australian Academic and Reasearch Network (AARNet) 203.78.48.0/20 AS9299 IPG-AS-AP Philippine Long Distance Telephone Company 203.80.136.0/21 AS4759 EVOSERVE-AS-AP EvoServe is a content and online access Internet provider company 203.112.111.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.113.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.114.0/24 AS4802 ASN-IINET iiNet Limited 203.112.116.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.117.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.118.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.119.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.120.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.121.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.127.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.128.128.0/24 AS23849 CNNIC-NET263-AP Beijing Capital-online science development Co.,Ltd. 203.142.219.0/24 AS45149 204.9.216.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 204.9.218.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 204.10.232.0/21 AS33150 204.19.14.0/23 AS577 BACOM - Bell Canada 204.28.104.0/21 AS25973 MZIMA - Mzima Networks, Inc. 204.197.0.0/16 AS3356 LEVEL3 Level 3 Communications 204.209.114.0/24 AS13768 PEER1 - Peer 1 Network Inc. 204.238.70.0/24 AS36826 205.150.0.0/15 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 205.189.134.0/24 AS11814 DISTRIBUTEL-AS11814 - DISTRIBUTEL COMMUNICATIONS LTD. 205.196.24.0/22 AS33724 BIZNESSHOSTING - VOLICO 205.210.145.0/24 AS11814 DISTRIBUTEL-AS11814 - DISTRIBUTEL COMMUNICATIONS LTD. 206.72.192.0/23 AS27375 IDS-TELECOM - IDS Telecom 206.72.194.0/23 AS27375 IDS-TELECOM - IDS Telecom 206.72.196.0/23 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 206.72.208.0/24 AS16526 BIRCH-TELECOM - Birch Telecom, Inc. 206.72.209.0/24 AS16526 BIRCH-TELECOM - Birch Telecom, Inc. 206.123.129.0/24 AS10790 INREACH-AS - InReach Internet 206.180.240.0/20 AS12083 KNOLOGY-NET - Knology Holdings 206.197.184.0/24 AS23304 DATOTEL-STL-AS - Datotel LLC, a NetLabs LLC Company 207.174.131.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.132.0/23 AS26116 INDRA - Indra's Net Inc. 207.174.152.0/23 AS26116 INDRA - Indra's Net Inc. 207.174.154.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.155.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.188.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.189.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.190.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.191.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.200.0/24 AS22658 EARTHNET - Earthnet, Inc. 207.174.248.0/21 AS6653 PRIVATEI - privateI, LLC 207.231.96.0/19 AS11194 NUNETPA - NuNet Inc. 208.73.4.0/22 AS27630 PREMIER - Premier Innovations, LLC 208.78.164.0/24 AS16565 208.78.165.0/24 AS16565 208.78.167.0/24 AS16565 208.84.76.0/22 AS18561 208.92.196.0/22 AS10929 NETELLIGENT - Netelligent Hosting Services Inc. 208.92.199.0/24 AS26198 3MENATWORK - 3Men@Work Integrated Networks, Inc. 209.54.123.0/24 AS6062 NETPLEX - NETPLEX 209.105.224.0/19 AS20074 209.165.239.0/24 AS209 ASN-QWEST - Qwest Communications Company, LLC 209.213.0.0/20 AS33005 ELTOPIA - Eltopia.com, LLC 209.213.1.0/24 AS7849 CROCKERCOM - CROCKER COMMUNICATIONS 209.213.4.0/24 AS7849 CROCKERCOM - CROCKER COMMUNICATIONS 210.5.128.0/20 AS4837 CHINA169-BACKBONE CNCGROUP China169 Backbone 210.56.150.0/23 AS38138 INTECH-TRANSIT-BD InTech Online Limited, INTERNET SERVICE LIMITED 210.247.224.0/19 AS7496 WEBCENTRAL-AS WebCentral 216.21.196.0/24 AS12251 INVISION - Invision.com, Inc. 216.21.201.0/24 AS12251 INVISION - Invision.com, Inc. 216.21.202.0/24 AS12251 INVISION - Invision.com, Inc. 216.21.206.0/23 AS12251 INVISION - Invision.com, Inc. 216.58.192.0/24 AS22702 X5SOLUTIONS - X5 Solutions, Inc. 216.58.197.0/24 AS22702 X5SOLUTIONS - X5 Solutions, Inc. 216.58.200.0/24 AS18530 ISOMEDIA-1 - Isomedia Inc. 216.172.198.0/24 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. 216.172.199.0/24 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. 216.250.112.0/20 AS7296 ALCHEMYNET - Alchemy Communications, Inc. 216.250.116.0/24 AS36066 UNI-MARKETING-ALLIANCE - Webhost4life.com 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 Analysis Role Account 13 Aug '10

13 Aug '10

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats(a)lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 14 Aug, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 327733 Prefixes after maximum aggregation: 151079 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 160689 Total ASes present in the Internet Routing Table: 34560 Prefixes per ASN: 9.48 Origin-only ASes present in the Internet Routing Table: 29983 Origin ASes announcing only one prefix: 14554 Transit ASes present in the Internet Routing Table: 4577 Transit-only ASes present in the Internet Routing Table: 101 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 860 Unregistered ASNs in the Routing Table: 433 Number of 32-bit ASNs allocated by the RIRs: 727 Prefixes from 32-bit ASNs in the Routing Table: 904 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 176 Number of addresses announced to Internet: 2288066240 Equivalent to 136 /8s, 97 /16s and 30 /24s Percentage of available address space announced: 61.7 Percentage of allocated address space announced: 65.9 Percentage of available address space allocated: 93.7 Percentage of address space in use by end-sites: 84.2 Total number of prefixes smaller than registry allocations: 155492 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 79750 Total APNIC prefixes after maximum aggregation: 27336 APNIC Deaggregation factor: 2.92 Prefixes being announced from the APNIC address blocks: 76668 Unique aggregates announced from the APNIC address blocks: 33794 APNIC Region origin ASes present in the Internet Routing Table: 4155 APNIC Prefixes per ASN: 18.45 APNIC Region origin ASes announcing only one prefix: 1159 APNIC Region transit ASes present in the Internet Routing Table: 641 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 539648800 Equivalent to 32 /8s, 42 /16s and 99 /24s Percentage of available APNIC address space announced: 76.6 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 135111 Total ARIN prefixes after maximum aggregation: 69791 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 107970 Unique aggregates announced from the ARIN address blocks: 42371 ARIN Region origin ASes present in the Internet Routing Table: 13847 ARIN Prefixes per ASN: 7.80 ARIN Region origin ASes announcing only one prefix: 5310 ARIN Region transit ASes present in the Internet Routing Table: 1364 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 731174304 Equivalent to 43 /8s, 148 /16s and 213 /24s Percentage of available ARIN address space announced: 62.3 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 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, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 74801 Total RIPE prefixes after maximum aggregation: 43787 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 68193 Unique aggregates announced from the RIPE address blocks: 44831 RIPE Region origin ASes present in the Internet Routing Table: 14675 RIPE Prefixes per ASN: 4.65 RIPE Region origin ASes announcing only one prefix: 7553 RIPE Region transit ASes present in the Internet Routing Table: 2201 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 434991872 Equivalent to 25 /8s, 237 /16s and 115 /24s Percentage of available RIPE address space announced: 76.3 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 196608-197631 RIPE Address Blocks 2/8, 25/8, 31/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 176/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 29552 Total LACNIC prefixes after maximum aggregation: 7056 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 28053 Unique aggregates announced from the LACNIC address blocks: 14979 LACNIC Region origin ASes present in the Internet Routing Table: 1321 LACNIC Prefixes per ASN: 21.24 LACNIC Region origin ASes announcing only one prefix: 407 LACNIC Region transit ASes present in the Internet Routing Table: 235 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 76476928 Equivalent to 4 /8s, 142 /16s and 242 /24s Percentage of available LACNIC address space announced: 57.0 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 7368 Total AfriNIC prefixes after maximum aggregation: 1881 AfriNIC Deaggregation factor: 3.92 Prefixes being announced from the AfriNIC address blocks: 5700 Unique aggregates announced from the AfriNIC address blocks: 1657 AfriNIC Region origin ASes present in the Internet Routing Table: 392 AfriNIC Prefixes per ASN: 14.54 AfriNIC Region origin ASes announcing only one prefix: 125 AfriNIC Region transit ASes present in the Internet Routing Table: 89 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 19938304 Equivalent to 1 /8s, 48 /16s and 60 /24s Percentage of available AfriNIC address space announced: 59.4 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1862 8410 495 Korea Telecom (KIX) 4755 1481 298 164 TATA Communications formerly 7545 1376 234 87 TPG Internet Pty Ltd 17488 1343 149 127 Hathway IP Over Cable Interne 17974 1216 292 74 PT TELEKOMUNIKASI INDONESIA 24560 1005 304 181 Bharti Airtel Ltd., Telemedia 9583 1003 74 487 Sify Limited 4808 899 1671 245 CNCGROUP IP network: China169 9829 818 687 34 BSNL National Internet Backbo 4134 787 22220 415 CHINANET-BACKBONE Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3856 3684 276 bellsouth.net, inc. 4323 2730 1116 393 Time Warner Telecom 19262 1946 4613 279 Verizon Global Networks 1785 1785 698 129 PaeTec Communications, Inc. 20115 1489 1526 653 Charter Communications 7018 1478 5734 952 AT&T WorldNet Services 6478 1289 255 145 AT&T Worldnet Services 2386 1284 553 907 AT&T Data Communications Serv 22773 1176 2858 61 Cox Communications, Inc. 11492 1175 209 90 Cable One Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3292 449 2026 390 TDC Tele Danmark 30890 443 99 211 Evolva Telecom 702 414 1870 326 UUNET - Commercial IP service 8866 403 117 18 Bulgarian Telecommunication C 8551 401 353 46 Bezeq International 3320 376 7329 325 Deutsche Telekom AG 3301 373 1415 328 TeliaNet Sweden 34984 367 89 183 BILISIM TELEKOM 12479 352 576 5 Uni2 Autonomous System 3215 322 3218 94 France Telecom Transpac Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1527 3049 247 UniNet S.A. de C.V. 10620 1091 244 150 TVCABLE BOGOTA 28573 1067 833 111 NET Servicos de Comunicao S.A 6503 811 187 264 AVANTEL, S.A. 7303 788 408 99 Telecom Argentina Stet-France 22047 550 310 15 VTR PUNTO NET S.A. 14420 547 35 75 CORPORACION NACIONAL DE TELEC 7738 477 922 30 Telecomunicacoes da Bahia S.A 3816 474 208 98 Empresa Nacional de Telecomun 11172 447 99 76 Servicios Alestra S.A de C.V Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 1168 445 10 TEDATA 24863 728 147 39 LINKdotNET AS number 36992 655 279 183 Etisalat MISR 3741 270 898 232 The Internet Solution 33776 206 12 12 Starcomms Nigeria Limited 2018 197 277 64 Tertiary Education Network 6713 195 186 16 Itissalat Al-MAGHRIB 29571 192 19 11 Ci Telecom Autonomous system 24835 188 78 9 RAYA Telecom - Egypt 16637 147 440 95 MTN Network Solutions Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3856 3684 276 bellsouth.net, inc. 4323 2730 1116 393 Time Warner Telecom 19262 1946 4613 279 Verizon Global Networks 4766 1862 8410 495 Korea Telecom (KIX) 1785 1785 698 129 PaeTec Communications, Inc. 8151 1527 3049 247 UniNet S.A. de C.V. 20115 1489 1526 653 Charter Communications 4755 1481 298 164 TATA Communications formerly 7018 1478 5734 952 AT&T WorldNet Services 7545 1376 234 87 TPG Internet Pty Ltd Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2730 2337 Time Warner Telecom 19262 1946 1667 Verizon Global Networks 1785 1785 1656 PaeTec Communications, Inc. 4766 1862 1367 Korea Telecom (KIX) 4755 1481 1317 TATA Communications formerly 7545 1376 1289 TPG Internet Pty Ltd 8151 1527 1280 UniNet S.A. de C.V. 17488 1343 1216 Hathway IP Over Cable Interne 8452 1168 1158 TEDATA 6478 1289 1144 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 22015 UNALLOCATED 8.22.137.0/24 14989 Broadview Networks 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 23054 UNALLOCATED 12.18.240.0/24 7018 AT&T WorldNet Servic 33198 UNALLOCATED 12.19.149.0/24 701 UUNET Technologies, 36178 UNALLOCATED 12.20.60.0/23 6128 Cablevision Systems 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.0.0.0/16 12654 RIPE NCC RIS Project 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 6453 Teleglobe Inc. 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd Complete listing at http://thyme.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:21 /9:10 /10:25 /11:67 /12:198 /13:412 /14:718 /15:1304 /16:11200 /17:5397 /18:9236 /19:18562 /20:23299 /21:23290 /22:30291 /23:29761 /24:170761 /25:1058 /26:1205 /27:741 /28:117 /29:47 /30:6 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2466 3856 bellsouth.net, inc. 4766 1488 1862 Korea Telecom (KIX) 4323 1393 2730 Time Warner Telecom 1785 1252 1785 PaeTec Communications, Inc. 17488 1086 1343 Hathway IP Over Cable Interne 11492 1083 1175 Cable One 18566 1068 1087 Covad Communications 8452 1057 1168 TEDATA 10620 1005 1091 TVCABLE BOGOTA 19262 913 1946 Verizon Global Networks Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:44 2:2 4:13 8:294 12:2016 13:7 14:1 15:21 16:3 17:9 20:6 24:1442 27:294 31:1 32:61 33:22 38:695 40:97 41:2504 44:3 46:23 47:16 52:12 55:7 56:2 57:28 58:780 59:508 60:460 61:1073 62:1059 63:1972 64:3730 65:2321 66:4026 67:1838 68:1102 69:2765 70:744 71:444 72:1944 73:2 74:2303 75:253 76:326 77:890 78:620 79:433 80:1015 81:801 82:499 83:488 84:689 85:1043 86:461 87:690 88:304 89:1526 90:99 91:2959 92:412 93:1000 94:1173 95:667 96:530 97:212 98:626 99:33 108:109 109:614 110:435 111:537 112:281 113:310 114:435 115:576 116:1094 117:654 118:490 119:889 120:139 121:725 122:1531 123:953 124:1129 125:1242 128:227 129:162 130:194 131:558 132:247 133:16 134:195 135:45 136:240 137:136 138:270 139:105 140:477 141:197 142:340 143:376 144:473 145:52 146:425 147:171 148:676 149:272 150:154 151:228 152:297 153:168 154:3 155:358 156:166 157:327 158:119 159:361 160:316 161:180 162:252 163:173 164:413 165:366 166:463 167:413 168:646 169:159 170:716 171:59 172:2 173:978 174:516 175:160 176:1 177:1 178:341 180:514 181:1 182:179 183:239 184:147 186:549 187:418 188:806 189:765 190:3899 192:5755 193:4732 194:3400 195:2790 196:1181 198:3567 199:3534 200:5354 201:1588 202:8016 203:8273 204:4035 205:2403 206:2484 207:3067 208:3881 209:3470 210:2546 211:1305 212:1719 213:1675 214:659 215:69 216:4679 217:1546 218:502 219:379 220:1139 221:402 222:316 223:2 End of report

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BGP Update Report
by cidr-report＠potaroo.net 11 Aug '10

11 Aug '10

BGP Update Report Interval: 29-Jul-10 -to- 05-Aug-10 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS3464 26784 2.5% 6696.0 -- ASC-NET - Alabama Supercomputer Network 2 - AS14420 20508 1.9% 37.4 -- CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP 3 - AS35931 15633 1.5% 5211.0 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 4 - AS5536 15520 1.5% 152.2 -- Internet-Egypt 5 - AS8452 14012 1.3% 17.4 -- TEDATA TEDATA 6 - AS48754 11048 1.1% 11048.0 -- SOBIS-AS SOBIS SOLUTIONS SRL 7 - AS25620 10953 1.0% 75.0 -- COTAS LTDA. 8 - AS45464 10527 1.0% 244.8 -- NEXTWEB-AS-AP Room 201, TGU Bldg 9 - AS35805 10374 1.0% 14.7 -- SILKNET-AS SILKNET AS 10 - AS31204 10209 1.0% 392.7 -- SUNCOMMUNICATIONS-AS JV "Sun Communications" Autonomous System 11 - AS2018 9790 0.9% 46.2 -- TENET-1 12 - AS5800 9781 0.9% 48.2 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 13 - AS32528 9487 0.9% 3162.3 -- ABBOTT Abbot Labs 14 - AS9829 8799 0.8% 41.5 -- BSNL-NIB National Internet Backbone 15 - AS37204 8143 0.8% 1163.3 -- TELONE 16 - AS36992 7638 0.7% 19.6 -- ETISALAT-MISR 17 - AS8151 7153 0.7% 38.0 -- Uninet S.A. de C.V. 18 - AS27738 7094 0.7% 33.8 -- Ecuadortelecom S.A. 19 - AS24560 6873 0.7% 10.3 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 20 - AS21017 6784 0.6% 357.1 -- VSI-AS VSI AS TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS48754 11048 1.1% 11048.0 -- SOBIS-AS SOBIS SOLUTIONS SRL 2 - AS3464 26784 2.5% 6696.0 -- ASC-NET - Alabama Supercomputer Network 3 - AS35931 15633 1.5% 5211.0 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 4 - AS25090 3168 0.3% 3168.0 -- EOS-AS Energie Ouest Suisse Autonomous System 5 - AS32528 9487 0.9% 3162.3 -- ABBOTT Abbot Labs 6 - AS53532 1775 0.2% 1775.0 -- KINGMETALS - King Architectural Metals 7 - AS38784 1629 0.1% 1629.0 -- ORBICOMNET-AS-ID PT. Global Inti Corporatama 8 - AS37204 8143 0.8% 1163.3 -- TELONE 9 - AS16906 2198 0.2% 1099.0 -- El Salvador Network, S. A. 10 - AS523 2677 0.2% 892.3 -- REDSTONE-AS - Headquarters, USAISC 11 - AS27027 863 0.1% 863.0 -- ANBELL ASN-ANBELL 12 - AS47593 784 0.1% 784.0 -- ATELECOM A-Telcom Ltd 13 - AS11196 696 0.1% 696.0 -- NESTLE-USA - Nestle USA 14 - AS11613 577 0.1% 577.0 -- U-SAVE - U-Save Auto Rental of America, Inc. 15 - AS26383 3966 0.4% 566.6 -- CHILITECH - CHILITECH INTERNET SOLUTIONS, INC. 16 - AS11032 464 0.0% 464.0 -- UQ - Universite du Quebec 17 - AS45034 461 0.0% 461.0 -- NORDSEE-AS Nordsee Gesellschaft m.b.H. 18 - AS9556 1709 0.2% 427.2 -- ADAM-AS-AP Adam Internet Pty Ltd 19 - AS50158 421 0.0% 421.0 -- CONNECT-LLC-AS Connect LLC 20 - AS10445 2440 0.2% 406.7 -- HTG - Huntleigh Telcom TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 129.66.0.0/17 13390 1.2% AS3464 -- ASC-NET - Alabama Supercomputer Network 2 - 129.66.128.0/17 13388 1.2% AS3464 -- ASC-NET - Alabama Supercomputer Network 3 - 91.212.23.0/24 11048 1.0% AS48754 -- SOBIS-AS SOBIS SOLUTIONS SRL 4 - 63.211.68.0/22 7872 0.7% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 5 - 198.140.43.0/24 7747 0.7% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 6 - 190.65.228.0/22 5751 0.5% AS3816 -- COLOMBIA TELECOMUNICACIONES S.A. ESP 7 - 130.36.35.0/24 4698 0.4% AS32528 -- ABBOTT Abbot Labs 8 - 130.36.34.0/24 4696 0.4% AS32528 -- ABBOTT Abbot Labs 9 - 41.34.29.0/24 3995 0.3% AS8452 -- TEDATA TEDATA 10 - 95.32.128.0/18 3265 0.3% AS21017 -- VSI-AS VSI AS 11 - 95.32.192.0/18 3260 0.3% AS21017 -- VSI-AS VSI AS 12 - 193.8.222.0/24 3168 0.3% AS25090 -- EOS-AS Energie Ouest Suisse Autonomous System 13 - 206.184.16.0/24 3085 0.3% AS174 -- COGENT Cogent/PSI 14 - 202.92.235.0/24 2828 0.2% AS9498 -- BBIL-AP BHARTI Airtel Ltd. 15 - 117.20.0.0/24 2601 0.2% AS23670 -- OZSERVERS-AU Oz Servers, Data Centres, Australia Wide 16 - 208.51.46.0/24 1775 0.2% AS53532 -- KINGMETALS - King Architectural Metals 17 - 143.138.107.0/24 1698 0.1% AS747 -- TAEGU-AS - Headquarters, USAISC 18 - 72.20.248.0/21 1651 0.1% AS26383 -- CHILITECH - CHILITECH INTERNET SOLUTIONS, INC. 19 - 202.75.17.0/24 1629 0.1% AS38784 -- ORBICOMNET-AS-ID PT. Global Inti Corporatama 20 - 64.86.26.0/23 1555 0.1% AS37204 -- TELONE Details at http://bgpupdates.potaroo.net ------------------------------------ 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 11 Aug '10

11 Aug '10

This report has been generated at Fri Aug 6 21:11:36 2010 AEST. The report analyses the BGP Routing Table of AS2.0 router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org for a current version of this report. Recent Table History Date Prefixes CIDR Agg 30-07-10 330809 203447 31-07-10 330957 203376 01-08-10 330953 203451 02-08-10 331084 203492 03-08-10 331158 203792 04-08-10 331218 203836 05-08-10 331107 203907 06-08-10 330860 204157 AS Summary 35018 Number of ASes in routing system 14873 Number of ASes announcing only one prefix 4488 Largest number of prefixes announced by an AS AS4323 : TWTC - tw telecom holdings, inc. 95690560 Largest address span announced by an AS (/32s) AS4134 : CHINANET-BACKBONE No.31,Jin-rong Street 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'). --- 06Aug10 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 331326 204069 127257 38.4% All ASes AS6389 3867 286 3581 92.6% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS4323 4488 1834 2654 59.1% TWTC - tw telecom holdings, inc. AS19262 1950 282 1668 85.5% VZGNI-TRANSIT - Verizon Internet Services Inc. AS4766 1857 504 1353 72.9% KIXS-AS-KR Korea Telecom AS22773 1177 66 1111 94.4% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. AS4755 1479 395 1084 73.3% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP AS5668 1128 89 1039 92.1% AS-5668 - CenturyTel Internet Holdings, Inc. AS18566 1087 63 1024 94.2% COVAD - Covad Communications Co. AS17488 1343 320 1023 76.2% HATHWAY-NET-AP Hathway IP Over Cable Internet AS8151 1527 623 904 59.2% Uninet S.A. de C.V. AS6478 1274 374 900 70.6% ATT-INTERNET3 - AT&T WorldNet Services AS10620 1089 288 801 73.6% Telmex Colombia S.A. AS8452 1169 422 747 63.9% TEDATA TEDATA AS7545 1392 713 679 48.8% TPG-INTERNET-AP TPG Internet Pty Ltd AS7303 790 119 671 84.9% Telecom Argentina S.A. AS4808 900 278 622 69.1% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS4804 677 72 605 89.4% MPX-AS Microplex PTY LTD AS35805 658 113 545 82.8% SILKNET-AS SILKNET AS AS7552 652 120 532 81.6% VIETEL-AS-AP Vietel Corporation AS7018 1477 952 525 35.5% ATT-INTERNET4 - AT&T WorldNet Services AS4780 684 164 520 76.0% SEEDNET Digital United Inc. AS24560 997 487 510 51.2% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services AS17676 582 80 502 86.3% GIGAINFRA Softbank BB Corp. AS3356 1164 664 500 43.0% LEVEL3 Level 3 Communications AS9443 572 76 496 86.7% INTERNETPRIMUS-AS-AP Primus Telecommunications AS7011 1139 656 483 42.4% FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc. AS1785 1786 1309 477 26.7% AS-PAETEC-NET - PaeTec Communications, Inc. AS22047 553 81 472 85.4% VTR BANDA ANCHA S.A. AS14420 537 77 460 85.7% CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP AS9198 499 40 459 92.0% KAZTELECOM-AS JSC Kazakhtelecom Total 38494 11547 26947 70.0% Top 30 total Possible Bogus Routes 31.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 31.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 31.1.24.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 41.222.79.0/24 AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited 41.223.92.0/22 AS36936 CELTEL-GABON Celtel Gabon Internet Service 41.223.188.0/24 AS22351 INTELSAT Intelsat Global BGP Routing Policy 41.223.189.0/24 AS6453 GLOBEINTERNET TATA Communications 41.223.196.0/24 AS36990 41.223.197.0/24 AS36990 41.223.198.0/24 AS36990 41.223.199.0/24 AS36990 62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV 62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV 64.20.80.0/20 AS40028 SPD-NETWORK-1 - SPD NETWORK 64.21.192.0/20 AS11610 INETNEBR-1 - Internet Nebraska Corporation 64.21.212.0/22 AS11610 INETNEBR-1 - Internet Nebraska Corporation 64.21.216.0/21 AS11610 INETNEBR-1 - Internet Nebraska Corporation 64.82.128.0/19 AS16617 COMMUNITYISP - CISP 64.82.160.0/19 AS16617 COMMUNITYISP - CISP 66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION 66.206.32.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.33.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.34.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.35.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.47.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 66.207.32.0/20 AS23011 66.230.240.0/20 AS27286 66.241.112.0/20 AS21547 REVNETS - Revolution Networks 66.245.176.0/20 AS19318 NJIIX-AS-1 - NEW JERSEY INTERNATIONAL INTERNET EXCHANGE LLC 69.6.80.0/24 AS13442 69.6.81.0/24 AS13442 71.19.134.0/23 AS3313 INET-AS I.NET S.p.A. 71.19.160.0/23 AS4648 NZIX-2 Netgate 72.22.32.0/19 AS33150 72.22.61.0/24 AS33150 72.22.62.0/24 AS33150 76.77.32.0/19 AS2828 XO-AS15 - XO Communications 78.41.160.0/21 AS8487 PHIBEE Phibee& Phibee Telecom AS 80.88.10.0/24 AS33774 DJAWEB 80.88.12.0/24 AS33779 wataniya-telecom-as 100.100.100.0/24 AS3549 GBLX Global Crossing Ltd. 110.34.44.0/22 AS12653 COMTONET KB Impuls Hellas 110.173.64.0/19 AS37963 CNNIC-ALIBABA-CN-NET-AP Alibaba (China) Technology Co., Ltd. 116.68.136.0/21 AS28045 Pantel Communications 117.120.56.0/21 AS4755 TATACOMM-AS TATA Communications formerly VSNL is Leading ISP 121.46.0.0/16 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 121.50.168.0/21 AS9931 CAT-AP The Communication Authoity of Thailand, CAT 158.222.70.0/23 AS6137 SISNA - SISNA, Inc. 158.222.72.0/23 AS6137 SISNA - SISNA, Inc. 158.222.224.0/20 AS19864 O1COMM - O1 COMMUNICATIONS 158.222.224.0/22 AS19864 O1COMM - O1 COMMUNICATIONS 158.222.229.0/24 AS19864 O1COMM - O1 COMMUNICATIONS 176.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 176.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 176.1.24.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 190.102.32.0/20 AS30058 ACTIVO-SYSTEMS-AS30058 ACTIVO-SYSTEMS-AS30058 190.104.32.0/21 AS27882 Telefónica Celular de Bolivia S.A. 192.9.0.0/16 AS11479 BRM-SUN-AS - Sun Microsystems, Inc 192.64.85.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network 192.69.108.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network 192.70.164.0/24 AS25689 NRCNET-AS - National Research Council of Canada 192.101.46.0/24 AS6503 Axtel, S.A.B. de C. V. 192.101.64.0/21 AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe 192.101.70.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 192.101.71.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 192.101.72.0/24 AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe 192.101.74.0/24 AS1239 SPRINTLINK - Sprint 192.124.252.0/22 AS680 DFN-IP service X-WiN 192.131.233.0/24 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 192.154.32.0/19 AS81 NCREN - MCNC 192.154.64.0/19 AS81 NCREN - MCNC 192.188.208.0/20 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 196.2.224.0/22 AS24863 LINKdotNET-AS 196.6.108.0/24 AS5713 SAIX-NET 196.13.201.0/24 AS2018 TENET-1 196.13.202.0/24 AS2018 TENET-1 196.13.203.0/24 AS2018 TENET-1 196.13.204.0/24 AS2018 TENET-1 196.110.105.0/24 AS8513 SKYVISION SkyVision Network Services 196.201.248.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.249.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.250.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.251.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.253.0/24 AS30991 SAHANNET Sahannet AS Network 196.201.255.0/24 AS30991 SAHANNET Sahannet AS Network 196.202.224.0/21 AS8818 TELE Greenland Autonomous System 198.1.2.0/24 AS4761 INDOSAT-INP-AP INDOSAT Internet Network Provider 198.23.26.0/24 AS4390 BELLATLANTIC-COM - Bell Atlantic, Inc. 198.51.100.0/24 AS16953 ASCENT-MEDIA-GROUP-LLC - Ascent Media Group, LLC 198.73.210.0/24 AS21570 ACI-1 - Accelerated Connections Inc. 198.74.38.0/24 AS16966 SBCIDC-LSAN03 - AT&T Internet Services 198.74.39.0/24 AS16966 SBCIDC-LSAN03 - AT&T Internet Services 198.74.40.0/24 AS16966 SBCIDC-LSAN03 - AT&T Internet Services 198.97.72.0/21 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 198.97.96.0/19 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 198.97.240.0/20 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 198.99.241.0/24 AS11797 AC-NIELSEN-AS AC NIELSEN 198.135.236.0/24 AS4358 XNET - XNet Information Systems, Inc. 198.161.87.0/24 AS6539 GT-BELL - Bell Canada 198.163.214.0/24 AS21804 ACCESS-SK - Access Communications Co-operative Limited 198.167.0.0/16 AS7456 INTERHOP - Interhop Network SERVICES Inc. 198.168.0.0/16 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 198.169.0.0/16 AS803 SASKTEL - Saskatchewan Telecommunications 198.180.198.0/24 AS23715 SEOUL-INTGW-GXS-AP Global Exchange Services 198.182.235.0/24 AS3356 LEVEL3 Level 3 Communications 199.10.0.0/16 AS721 DNIC-ASBLK-00721-00726 - DoD Network Information Center 199.16.32.0/19 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 199.121.0.0/16 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 199.123.16.0/20 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center 199.185.130.0/23 AS19662 UNISERVE-ONLINE - Uniserve On Line 199.202.0.0/16 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 199.202.216.0/21 AS577 BACOM - Bell Canada 199.233.92.0/24 AS26896 D102-ITC - Data 102, LLC 199.246.116.0/24 AS813 UUNET-CANADA - MCI Communications Services, Inc. d/b/a Verizon Business 202.9.55.0/24 AS2764 AAPT AAPT Limited 202.9.57.0/24 AS2764 AAPT AAPT Limited 202.38.63.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.58.113.0/24 AS19161 202.61.75.0/24 AS9927 PHILCOMNET-PH A Multihomed ISP Company 202.66.128.0/18 AS9584 GENESIS-AP Diyixian.com Limited 202.66.160.0/19 AS9584 GENESIS-AP Diyixian.com Limited 202.66.160.0/20 AS9584 GENESIS-AP Diyixian.com Limited 202.66.176.0/20 AS9584 GENESIS-AP Diyixian.com Limited 202.66.184.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.66.186.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.66.188.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.66.189.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.66.190.0/24 AS9584 GENESIS-AP Diyixian.com Limited 202.72.224.0/21 AS24013 202.73.144.0/20 AS4788 TMNET-AS-AP TM Net, Internet Service Provider 202.80.192.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) Limited 202.86.252.0/22 AS4748 RESOLINK-AS-AP Resources Link Network Limited 202.86.252.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.253.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.254.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.255.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.94.1.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.133.37.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.133.70.0/24 AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited 202.133.73.0/24 AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited 202.136.254.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.136.255.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.150.227.0/24 AS17727 NAPINFO-AS-AP PT. NAP Info Lintas Nusa 202.174.70.0/24 AS21175 WIS Wind International Services SA 202.174.125.0/24 AS9498 BBIL-AP BHARTI Airtel Ltd. 202.176.1.0/24 AS9942 COMINDICO-AP SOUL Converged Communications Australia 202.179.130.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.131.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.133.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.134.0/24 AS23966 LDN-AS-PK LINKdotNET Telecom Limited 202.179.144.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.149.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.150.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.181.32.0/24 AS4645 ASN-HKNET-AP HKNet Co. Ltd 203.12.45.0/24 AS4854 NETSPACE-AS-AP Netspace Online Systems 203.62.0.0/17 AS7575 AARNET-AS-AP Australian Academic and Reasearch Network (AARNet) 203.78.48.0/20 AS9299 IPG-AS-AP Philippine Long Distance Telephone Company 203.80.136.0/21 AS4759 EVOSERVE-AS-AP EvoServe is a content and online access Internet provider company 203.112.111.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.113.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.114.0/24 AS4802 ASN-IINET iiNet Limited 203.112.116.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.117.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.118.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.119.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.120.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.121.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.127.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.128.128.0/24 AS23849 CNNIC-NET263-AP Beijing Capital-online science development Co.,Ltd. 203.142.219.0/24 AS45149 204.9.216.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 204.9.218.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 204.10.232.0/21 AS33150 204.19.14.0/23 AS577 BACOM - Bell Canada 204.28.104.0/21 AS25973 MZIMA - Mzima Networks, Inc. 204.197.0.0/16 AS3356 LEVEL3 Level 3 Communications 204.209.114.0/24 AS13768 PEER1 - Peer 1 Network Inc. 204.238.70.0/24 AS36826 205.150.0.0/15 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 205.189.134.0/24 AS11814 DISTRIBUTEL-AS11814 - DISTRIBUTEL COMMUNICATIONS LTD. 205.196.24.0/22 AS33724 BIZNESSHOSTING - VOLICO 205.210.145.0/24 AS11814 DISTRIBUTEL-AS11814 - DISTRIBUTEL COMMUNICATIONS LTD. 206.72.192.0/23 AS27375 IDS-TELECOM - IDS Telecom 206.72.194.0/23 AS27375 IDS-TELECOM - IDS Telecom 206.72.196.0/23 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 206.72.208.0/24 AS16526 BIRCH-TELECOM - Birch Telecom, Inc. 206.72.209.0/24 AS16526 BIRCH-TELECOM - Birch Telecom, Inc. 206.123.129.0/24 AS10790 INREACH-AS - InReach Internet 206.180.240.0/20 AS12083 KNOLOGY-NET - Knology Holdings 206.197.184.0/24 AS23304 DATOTEL-STL-AS - Datotel LLC, a NetLabs LLC Company 207.174.131.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.132.0/23 AS26116 INDRA - Indra's Net Inc. 207.174.152.0/23 AS26116 INDRA - Indra's Net Inc. 207.174.154.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.155.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.188.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.189.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.190.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.191.0/24 AS26116 INDRA - Indra's Net Inc. 207.174.200.0/24 AS22658 EARTHNET - Earthnet, Inc. 207.174.248.0/21 AS6653 PRIVATEI - privateI, LLC 207.231.96.0/19 AS11194 NUNETPA - NuNet Inc. 208.73.4.0/22 AS27630 PREMIER - Premier Innovations, LLC 208.78.164.0/24 AS16565 208.78.165.0/24 AS16565 208.78.167.0/24 AS16565 208.84.76.0/22 AS18561 208.92.196.0/22 AS10929 NETELLIGENT - Netelligent Hosting Services Inc. 208.92.199.0/24 AS26198 3MENATWORK - 3Men@Work Integrated Networks, Inc. 209.54.123.0/24 AS6062 NETPLEX - NETPLEX 209.105.224.0/19 AS20074 209.165.239.0/24 AS209 ASN-QWEST - Qwest Communications Company, LLC 209.213.0.0/20 AS33005 ELTOPIA - Eltopia.com, LLC 209.213.1.0/24 AS7849 CROCKERCOM - CROCKER COMMUNICATIONS 209.213.4.0/24 AS7849 CROCKERCOM - CROCKER COMMUNICATIONS 210.5.128.0/20 AS4837 CHINA169-BACKBONE CNCGROUP China169 Backbone 210.56.150.0/23 AS38138 INTECH-TRANSIT-BD InTech Online Limited, INTERNET SERVICE LIMITED 210.247.224.0/19 AS7496 WEBCENTRAL-AS WebCentral 216.21.196.0/24 AS12251 INVISION - Invision.com, Inc. 216.21.201.0/24 AS12251 INVISION - Invision.com, Inc. 216.21.202.0/24 AS12251 INVISION - Invision.com, Inc. 216.21.206.0/23 AS12251 INVISION - Invision.com, Inc. 216.58.192.0/24 AS22702 X5SOLUTIONS - X5 Solutions, Inc. 216.58.197.0/24 AS22702 X5SOLUTIONS - X5 Solutions, Inc. 216.58.200.0/24 AS18530 ISOMEDIA-1 - Isomedia Inc. 216.172.198.0/24 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. 216.172.199.0/24 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. 216.250.112.0/20 AS7296 ALCHEMYNET - Alchemy Communications, Inc. 216.250.116.0/24 AS36066 UNI-MARKETING-ALLIANCE - Webhost4life.com 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 Analysis Role Account 06 Aug '10

06 Aug '10

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats(a)lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 07 Aug, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 327570 Prefixes after maximum aggregation: 150699 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 160252 Total ASes present in the Internet Routing Table: 34482 Prefixes per ASN: 9.50 Origin-only ASes present in the Internet Routing Table: 29935 Origin ASes announcing only one prefix: 14513 Transit ASes present in the Internet Routing Table: 4547 Transit-only ASes present in the Internet Routing Table: 99 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 486 Unregistered ASNs in the Routing Table: 210 Number of 32-bit ASNs allocated by the RIRs: 155 Prefixes from 32-bit ASNs in the Routing Table: 893 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 61843 Number of addresses announced to Internet: 2251423360 Equivalent to 134 /8s, 49 /16s and 254 /24s Percentage of available address space announced: 60.7 Percentage of allocated address space announced: 65.5 Percentage of available address space allocated: 92.8 Percentage of address space in use by end-sites: 69.2 Total number of prefixes smaller than registry allocations: 132801 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 79486 Total APNIC prefixes after maximum aggregation: 27320 APNIC Deaggregation factor: 2.91 Prefixes being announced from the APNIC address blocks: 76404 Unique aggregates announced from the APNIC address blocks: 33692 APNIC Region origin ASes present in the Internet Routing Table: 4152 APNIC Prefixes per ASN: 18.40 APNIC Region origin ASes announcing only one prefix: 1160 APNIC Region transit ASes present in the Internet Routing Table: 635 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 538001952 Equivalent to 32 /8s, 17 /16s and 66 /24s Percentage of available APNIC address space announced: 80.2 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 58/8, 59/8, 60/8, 61/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 134936 Total ARIN prefixes after maximum aggregation: 69682 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 107823 Unique aggregates announced from the ARIN address blocks: 42279 ARIN Region origin ASes present in the Internet Routing Table: 13814 ARIN Prefixes per ASN: 7.81 ARIN Region origin ASes announcing only one prefix: 5292 ARIN Region transit ASes present in the Internet Routing Table: 1355 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 730821152 Equivalent to 43 /8s, 143 /16s and 114 /24s Percentage of available ARIN address space announced: 62.2 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 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, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 75200 Total RIPE prefixes after maximum aggregation: 43599 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 6738 Unique aggregates announced from the RIPE address blocks: 3805 RIPE Region origin ASes present in the Internet Routing Table: 14634 RIPE Prefixes per ASN: 0.46 RIPE Region origin ASes announcing only one prefix: 7528 RIPE Region transit ASes present in the Internet Routing Table: 2193 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 64040704 Equivalent to 3 /8s, 209 /16s and 47 /24s Percentage of available RIPE address space announced: 11.2 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 196608-197631 RIPE Address Blocks 2/8, 25/8, 31/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 176/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 29487 Total LACNIC prefixes after maximum aggregation: 7006 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 27982 Unique aggregates announced from the LACNIC address blocks: 14984 LACNIC Region origin ASes present in the Internet Routing Table: 1322 LACNIC Prefixes per ASN: 21.17 LACNIC Region origin ASes announcing only one prefix: 410 LACNIC Region transit ASes present in the Internet Routing Table: 235 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 76265984 Equivalent to 4 /8s, 139 /16s and 186 /24s Percentage of available LACNIC address space announced: 56.8 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 7316 Total AfriNIC prefixes after maximum aggregation: 1874 AfriNIC Deaggregation factor: 3.90 Prefixes being announced from the AfriNIC address blocks: 5640 Unique aggregates announced from the AfriNIC address blocks: 1653 AfriNIC Region origin ASes present in the Internet Routing Table: 390 AfriNIC Prefixes per ASN: 14.46 AfriNIC Region origin ASes announcing only one prefix: 123 AfriNIC Region transit ASes present in the Internet Routing Table: 85 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 19917568 Equivalent to 1 /8s, 47 /16s and 235 /24s Percentage of available AfriNIC address space announced: 59.4 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1857 8409 490 Korea Telecom (KIX) 4755 1479 298 162 TATA Communications formerly 7545 1374 234 87 TPG Internet Pty Ltd 17488 1343 149 127 Hathway IP Over Cable Interne 17974 1188 288 64 PT TELEKOMUNIKASI INDONESIA 9583 1004 74 487 Sify Limited 24560 997 303 182 Bharti Airtel Ltd., Telemedia 4808 900 1670 244 CNCGROUP IP network: China169 9829 817 686 33 BSNL National Internet Backbo 4134 786 22092 414 CHINANET-BACKBONE Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3867 3716 281 bellsouth.net, inc. 4323 2732 1100 394 Time Warner Telecom 19262 1944 4597 278 Verizon Global Networks 1785 1786 698 128 PaeTec Communications, Inc. 20115 1491 1526 652 Charter Communications 7018 1476 5733 949 AT&T WorldNet Services 2386 1277 553 902 AT&T Data Communications Serv 6478 1274 254 155 AT&T Worldnet Services 22773 1177 2858 61 Cox Communications, Inc. 3356 1164 10876 397 Level 3 Communications, LLC Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 35805 656 56 6 United Telecom of Georgia 9198 499 202 13 Kazakhtelecom Data Network Ad 3292 449 2026 390 TDC Tele Danmark 30890 444 111 206 Evolva Telecom 702 414 1870 326 UUNET - Commercial IP service 8866 403 117 18 Bulgarian Telecommunication C 8551 401 353 46 Bezeq International 3320 374 7328 325 Deutsche Telekom AG 3301 372 1414 327 TeliaNet Sweden 34984 365 89 183 BILISIM TELEKOM Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1527 3049 248 UniNet S.A. de C.V. 10620 1089 244 149 TVCABLE BOGOTA 28573 1020 818 100 NET Servicos de Comunicao S.A 7303 786 408 101 Telecom Argentina Stet-France 6503 720 178 222 AVANTEL, S.A. 22047 553 310 15 VTR PUNTO NET S.A. 14420 536 34 75 CORPORACION NACIONAL DE TELEC 7738 477 922 30 Telecomunicacoes da Bahia S.A 3816 475 197 95 Empresa Nacional de Telecomun 11172 447 99 76 Servicios Alestra S.A de C.V Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 1169 445 10 TEDATA 24863 726 147 39 LINKdotNET AS number 36992 647 278 187 Etisalat MISR 3741 270 898 232 The Internet Solution 33776 206 12 12 Starcomms Nigeria Limited 2018 197 277 64 Tertiary Education Network 6713 195 186 16 Itissalat Al-MAGHRIB 29571 192 19 11 Ci Telecom Autonomous system 24835 189 78 9 RAYA Telecom - Egypt 16637 140 440 95 MTN Network Solutions Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3867 3716 281 bellsouth.net, inc. 4323 2732 1100 394 Time Warner Telecom 19262 1944 4597 278 Verizon Global Networks 4766 1857 8409 490 Korea Telecom (KIX) 1785 1786 698 128 PaeTec Communications, Inc. 8151 1527 3049 248 UniNet S.A. de C.V. 20115 1491 1526 652 Charter Communications 4755 1479 298 162 TATA Communications formerly 7018 1476 5733 949 AT&T WorldNet Services 7545 1374 234 87 TPG Internet Pty Ltd Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2732 2338 Time Warner Telecom 19262 1944 1666 Verizon Global Networks 1785 1786 1658 PaeTec Communications, Inc. 4766 1857 1367 Korea Telecom (KIX) 4755 1479 1317 TATA Communications formerly 7545 1374 1287 TPG Internet Pty Ltd 8151 1527 1279 UniNet S.A. de C.V. 17488 1343 1216 Hathway IP Over Cable Interne 8452 1169 1159 TEDATA 17974 1188 1124 PT TELEKOMUNIKASI INDONESIA Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 36178 UNALLOCATED 12.20.60.0/23 6128 Cablevision Systems 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.0.0.0/16 12654 RIPE NCC RIS Project 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 6453 Teleglobe Inc. 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd Complete listing at http://thyme.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:10 /10:25 /11:67 /12:198 /13:410 /14:717 /15:1299 /16:11183 /17:5376 /18:9216 /19:18523 /20:23234 /21:23225 /22:30226 /23:29701 /24:170990 /25:1048 /26:1192 /27:733 /28:118 /29:47 /30:6 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2471 3867 bellsouth.net, inc. 4766 1486 1857 Korea Telecom (KIX) 4323 1394 2732 Time Warner Telecom 1785 1245 1786 PaeTec Communications, Inc. 17488 1086 1343 Hathway IP Over Cable Interne 18566 1068 1087 Covad Communications 8452 1057 1169 TEDATA 11492 1048 1139 Cable One 10620 1003 1089 TVCABLE BOGOTA 19262 913 1944 Verizon Global Networks Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:39 2:2 4:13 8:293 12:2014 13:7 14:1 15:21 16:3 17:9 20:6 24:1433 27:277 31:1 32:59 33:22 38:688 40:98 41:2474 44:3 46:20 47:16 52:9 55:7 56:2 57:28 58:779 59:509 60:462 61:1069 62:1035 63:1968 64:3721 65:2336 66:4038 67:1827 68:1098 69:2760 70:741 71:444 72:1939 73:2 74:2302 75:253 76:324 77:906 78:619 79:435 80:986 81:778 82:505 83:452 84:694 85:1045 86:461 87:688 88:332 89:1557 90:97 91:2914 92:513 93:1006 94:1415 95:671 96:530 97:212 98:625 99:33 108:105 109:601 110:432 111:532 112:273 113:315 114:434 115:567 116:1092 117:653 118:482 119:899 120:137 121:724 122:1519 123:952 124:1128 125:1242 128:226 129:162 130:198 131:555 132:247 133:16 134:196 135:45 136:240 137:136 138:267 139:104 140:480 141:197 142:341 143:376 144:472 145:52 146:433 147:172 148:676 149:269 150:145 151:228 152:297 153:168 154:3 155:357 156:160 157:325 158:111 159:361 160:314 161:183 162:256 163:174 164:411 165:366 166:463 167:412 168:646 169:157 170:721 171:59 172:2 173:961 174:530 175:168 176:1 178:351 180:508 182:169 183:239 184:140 186:542 187:412 188:1045 189:737 190:3878 192:5753 193:4727 194:3401 195:2823 196:1179 198:3565 199:3513 200:5358 201:1582 202:7996 203:8273 204:4021 205:2400 206:2492 207:3071 208:3884 209:3468 210:2546 211:1311 212:1714 213:1664 214:660 215:69 216:4689 217:1514 218:503 219:380 220:1139 221:402 222:317 223:3 End of report

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