- routing-wg - mailman.ripe.net

Weekly Routing Table Report
by Routing Analysis Role Account 20 May '11

20 May '11

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.rand.apnic.net. If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 21 May, 2011 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 357743 Prefixes after maximum aggregation: 161995 Deaggregation factor: 2.21 Unique aggregates announced to Internet: 176757 Total ASes present in the Internet Routing Table: 37632 Prefixes per ASN: 9.51 Origin-only ASes present in the Internet Routing Table: 31443 Origin ASes announcing only one prefix: 15107 Transit ASes present in the Internet Routing Table: 5101 Transit-only ASes present in the Internet Routing Table: 135 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 36 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 647 Unregistered ASNs in the Routing Table: 338 Number of 32-bit ASNs allocated by the RIRs: 1366 Number of 32-bit ASNs visible in the Routing Table: 1088 Prefixes from 32-bit ASNs in the Routing Table: 2459 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 166 Number of addresses announced to Internet: 2432900032 Equivalent to 145 /8s, 3 /16s and 27 /24s Percentage of available address space announced: 65.6 Percentage of allocated address space announced: 65.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 90.9 Total number of prefixes smaller than registry allocations: 148733 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 89422 Total APNIC prefixes after maximum aggregation: 30028 APNIC Deaggregation factor: 2.98 Prefixes being announced from the APNIC address blocks: 85798 Unique aggregates announced from the APNIC address blocks: 36687 APNIC Region origin ASes present in the Internet Routing Table: 4453 APNIC Prefixes per ASN: 19.27 APNIC Region origin ASes announcing only one prefix: 1236 APNIC Region transit ASes present in the Internet Routing Table: 707 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 46 Number of APNIC addresses announced to Internet: 615312672 Equivalent to 36 /8s, 172 /16s and 237 /24s Percentage of available APNIC address space announced: 78.0 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, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 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: 140448 Total ARIN prefixes after maximum aggregation: 71554 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 112638 Unique aggregates announced from the ARIN address blocks: 45620 ARIN Region origin ASes present in the Internet Routing Table: 14381 ARIN Prefixes per ASN: 7.83 ARIN Region origin ASes announcing only one prefix: 5494 ARIN Region transit ASes present in the Internet Routing Table: 1498 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 12 Number of ARIN addresses announced to Internet: 801671424 Equivalent to 47 /8s, 200 /16s and 137 /24s Percentage of available ARIN address space announced: 63.7 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, 23/8, 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, 53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 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: 84534 Total RIPE prefixes after maximum aggregation: 48247 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 78018 Unique aggregates announced from the RIPE address blocks: 51632 RIPE Region origin ASes present in the Internet Routing Table: 15619 RIPE Prefixes per ASN: 5.00 RIPE Region origin ASes announcing only one prefix: 7813 RIPE Region transit ASes present in the Internet Routing Table: 2464 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 805 Number of RIPE addresses announced to Internet: 472636160 Equivalent to 28 /8s, 43 /16s and 219 /24s Percentage of available RIPE address space announced: 76.1 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, 56320-58367 196608-198655 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 32829 Total LACNIC prefixes after maximum aggregation: 7512 LACNIC Deaggregation factor: 4.37 Prefixes being announced from the LACNIC address blocks: 31866 Unique aggregates announced from the LACNIC address blocks: 16758 LACNIC Region origin ASes present in the Internet Routing Table: 1456 LACNIC Prefixes per ASN: 21.89 LACNIC Region origin ASes announcing only one prefix: 431 LACNIC Region transit ASes present in the Internet Routing Table: 266 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 220 Number of LACNIC addresses announced to Internet: 83532288 Equivalent to 4 /8s, 250 /16s and 154 /24s Percentage of available LACNIC address space announced: 55.3 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 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: 7836 Total AfriNIC prefixes after maximum aggregation: 1877 AfriNIC Deaggregation factor: 4.17 Prefixes being announced from the AfriNIC address blocks: 6175 Unique aggregates announced from the AfriNIC address blocks: 1909 AfriNIC Region origin ASes present in the Internet Routing Table: 448 AfriNIC Prefixes per ASN: 13.78 AfriNIC Region origin ASes announcing only one prefix: 133 AfriNIC Region transit ASes present in the Internet Routing Table: 100 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5 Number of AfriNIC addresses announced to Internet: 23174656 Equivalent to 1 /8s, 97 /16s and 158 /24s Percentage of available AfriNIC address space announced: 34.5 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 2457 9494 918 Korea Telecom (KIX) 17974 1832 516 32 PT TELEKOMUNIKASI INDONESIA 7545 1556 301 87 TPG Internet Pty Ltd 4755 1472 635 169 TATA Communications formerly 24560 1153 336 184 Bharti Airtel Ltd., Telemedia 7552 1123 1064 7 Vietel Corporation 9583 1082 81 511 Sify Limited 4808 1080 2141 298 CNCGROUP IP network: China169 9829 1039 874 51 BSNL National Internet Backbo 18101 935 116 142 Reliance Infocom Ltd Internet Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3645 3822 255 bellsouth.net, inc. 4323 1976 1081 397 Time Warner Telecom 18566 1860 354 267 Covad Communications 1785 1786 681 123 PaeTec Communications, Inc. 6478 1693 315 55 AT&T Worldnet Services 20115 1538 1540 635 Charter Communications 19262 1496 4943 300 Verizon Global Networks 7018 1365 7069 890 AT&T WorldNet Services 22773 1330 2897 88 Cox Communications, Inc. 11492 1279 240 15 Cable One Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6830 520 1780 321 UPC Distribution Services 34984 514 106 182 BILISIM TELEKOM 3292 460 2062 395 TDC Tele Danmark 20940 457 134 351 Akamai Technologies European 29049 453 33 44 AzerSat LLC. 8866 444 134 26 Bulgarian Telecommunication C 12479 432 577 6 Uni2 Autonomous System 3320 426 8153 371 Deutsche Telekom AG 8551 406 355 45 Bezeq International 702 395 1802 309 UUNET - Commercial IP service Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 10620 1481 273 154 TVCABLE BOGOTA 8151 1375 2702 362 UniNet S.A. de C.V. 28573 1314 991 86 NET Servicos de Comunicao S.A 7303 925 470 151 Telecom Argentina Stet-France 6503 731 354 73 AVANTEL, S.A. 14420 670 54 91 CORPORACION NACIONAL DE TELEC 22047 563 310 15 VTR PUNTO NET S.A. 3816 522 227 101 Empresa Nacional de Telecomun 13489 511 254 124 Orbitel S.A. E.S.P. 11172 493 84 83 Servicios Alestra S.A de C.V Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 894 445 11 TEDATA 24863 787 147 37 LINKdotNET AS number 15475 415 90 8 Nile Online 36992 287 331 17 Etisalat MISR 3741 268 985 228 The Internet Solution 6713 241 215 13 Itissalat Al-MAGHRIB 33776 217 12 11 Starcomms Nigeria Limited 24835 208 78 10 RAYA Telecom - Egypt 29571 163 19 12 Ci Telecom Autonomous system 16637 150 441 86 MTN Network Solutions Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3645 3822 255 bellsouth.net, inc. 23456 2459 631 1341 32-bit ASN transition 4766 2457 9494 918 Korea Telecom (KIX) 4323 1976 1081 397 Time Warner Telecom 18566 1860 354 267 Covad Communications 17974 1832 516 32 PT TELEKOMUNIKASI INDONESIA 1785 1786 681 123 PaeTec Communications, Inc. 6478 1693 315 55 AT&T Worldnet Services 7545 1556 301 87 TPG Internet Pty Ltd 20115 1538 1540 635 Charter Communications Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 17974 1832 1800 PT TELEKOMUNIKASI INDONESIA 1785 1786 1663 PaeTec Communications, Inc. 6478 1693 1638 AT&T Worldnet Services 18566 1860 1593 Covad Communications 4323 1976 1579 Time Warner Telecom 4766 2457 1539 Korea Telecom (KIX) 7545 1556 1469 TPG Internet Pty Ltd 10620 1481 1327 TVCABLE BOGOTA 4755 1472 1303 TATA Communications formerly 11492 1279 1264 Cable One Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 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 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.225.128.0/18 36377 Comcast Telecommunications, I 24.225.192.0/23 36377 Comcast Telecommunications, I 24.225.192.0/18 36377 Comcast Telecommunications, I 24.225.224.0/21 36377 Comcast Telecommunications, I 24.225.237.0/24 36377 Comcast Telecommunications, I 24.225.248.0/21 36377 Comcast Telecommunications, I 27.0.128.0/17 7514 Media Exchange, Inc. 41.190.32.0/23 31856 CABSAS 41.190.34.0/23 31856 CABSAS 41.190.36.0/23 31856 CABSAS Complete listing at http://thyme.rand.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 /8:20 /9:12 /10:28 /11:79 /12:226 /13:461 /14:793 /15:1393 /16:11769 /17:5810 /18:9731 /19:19329 /20:25643 /21:25885 /22:34217 /23:32989 /24:186103 /25:1087 /26:1274 /27:713 /28:165 /29:8 /30:2 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2245 3645 bellsouth.net, inc. 18566 1824 1860 Covad Communications 6478 1647 1693 AT&T Worldnet Services 10620 1371 1481 TVCABLE BOGOTA 11492 1225 1279 Cable One 23456 1204 2459 32-bit ASN transition 7011 1060 1159 Citizens Utilities 1785 1051 1786 PaeTec Communications, Inc. 4323 886 1976 Time Warner Telecom 22773 846 1330 Cox Communications, Inc. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:279 2:39 4:14 5:1 6:3 8:352 12:1985 13:1 14:457 15:15 16:3 17:8 20:10 23:7 24:1633 27:753 31:345 32:60 33:4 34:2 37:1 38:738 40:101 41:2537 42:5 44:3 46:920 47:4 49:194 50:415 52:13 55:3 56:2 57:30 58:844 59:481 60:387 61:1235 62:960 63:1935 64:3941 65:2292 66:4158 67:1846 68:1092 69:2985 70:704 71:352 72:1883 73:1 74:2351 75:303 76:340 77:870 78:709 79:464 80:1094 81:821 82:490 83:447 84:629 85:1069 86:594 87:749 88:328 89:1556 90:204 91:3771 92:516 93:1053 94:1279 95:817 96:504 97:249 98:835 99:35 101:60 103:12 106:1 107:7 108:85 109:950 110:601 111:715 112:302 113:401 114:534 115:667 116:956 117:691 118:821 119:1145 120:308 121:677 122:1627 123:1001 124:1265 125:1228 128:262 129:176 130:164 131:573 132:109 133:19 134:218 135:48 136:215 137:143 138:305 139:112 140:487 141:239 142:402 143:402 144:481 145:54 146:444 147:209 148:589 149:243 150:172 151:186 152:306 153:178 154:3 155:396 156:194 157:352 158:135 159:387 160:317 161:207 162:279 163:163 164:501 165:354 166:516 167:433 168:729 169:152 170:794 171:77 172:1 173:1566 174:551 175:374 177:128 178:918 180:844 181:17 182:446 183:207 184:272 185:1 186:1164 187:735 188:842 189:897 190:4805 192:5790 193:4854 194:3482 195:2982 196:1210 197:19 198:3584 199:3908 200:5540 201:1486 202:8357 203:8427 204:4158 205:2326 206:2730 207:2913 208:3964 209:3462 210:2736 211:1392 212:1972 213:1734 214:735 215:71 216:4899 217:1623 218:563 219:362 220:1200 221:483 222:336 223:148 End of report

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32bit-AS - configuration errors
by Matsuzaki Yoshinobu 16 May '11

16 May '11

Hi, In the RIPE region, the following networks are using unallocated 32bit-AS numbers. And it seems they similarly mistook their AS numbers. Are there any products/documents that caused this? 196882(asplain) --mistook--> 196.882(asdot) == 12845938(asplain) - prefix - origin AS (asdot) - origin AS routing table route object in RIPE DB 193.104.235.0/24 12845938 (196.882) 196882 109.233.96.0/21 12845948 (196.892) 196892 195.250.24.0/22 12845948 (196.892) 196892 91.225.224.0/22 12911193 (197.601) 197601 188.191.96.0/20 12911193 (197.601) 197601 - http://www.iana.org/assignments/as-numbers/as-numbers.xml > 394240-4294967294 Unallocated ----- Matsuzaki Yoshinobu <maz(a)iij.ad.jp> - IIJ/AS2497 INOC-DBA: 2497*629

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.PT Annual Report
by Luisa Gueifão 16 May '11

16 May '11

Hi, FCCN, .PT registry has published its annual report: <https://www.dns.pt/documents/10156/5c077b26-ffce-43e9-b0a4-c384fbcf9d09> https://www.dns.pt/documents/10156/5c077b26-ffce-43e9-b0a4-c384fbcf9d09 Kind regards, Luisa Lopes Gueifão .PT Director FCCN - Fundação para a Computação Científica Nacional | DNS.PT Apartado 50366 | 1708-001 Lisboa | Portugal Tel: (+351) 218 440 132 | Fax: (+351) 218 440 157 Email: <mailto:lgueifao@fccn.pt> lgueifao(a)fccn.pt WWW: <http://www.dns.pt/> http://www.dns.pt [ Antes de imprimir esta mensagem pense no ambiente. Before printing this message, think about environment ] NOTA DE CONFIDENCIALIDADE: Esta mensagem poderá conter informação privilegiada e confidencial. Se não é o destinatário da presente comunicação, agradecemos que nos informe e elimine a mensagem sem que a mesma seja divulgada, distribuida ou copiada. CONFIDENTIALITY NOTICE: This e-mail and any attachments are confidential and may be privileged. If you are not a named recipient, please notify the sender immediately and do not disclose the contents to another person, use it for any purpose or store or copy the information in any medium.

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BGP Update Report
by cidr-report＠potaroo.net 14 May '11

14 May '11

BGP Update Report Interval: 05-May-11 -to- 12-May-11 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS19743 33082 2.1% 4726.0 -- 2 - AS9829 24797 1.6% 26.1 -- BSNL-NIB National Internet Backbone 3 - AS11492 18070 1.1% 14.1 -- CABLEONE - CABLE ONE, INC. 4 - AS32528 17052 1.1% 2131.5 -- ABBOTT Abbot Labs 5 - AS17974 16821 1.1% 12.4 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 6 - AS24560 15194 1.0% 13.2 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 7 - AS4274 13652 0.9% 168.5 -- ERX-AU-NET Assumption University 8 - AS35931 13508 0.9% 2251.3 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 9 - AS44609 13326 0.8% 4442.0 -- FNA Fars News Agency Cultural Arts Institute 10 - AS9299 13112 0.8% 11.9 -- IPG-AS-AP Philippine Long Distance Telephone Company 11 - AS8402 10875 0.7% 22.3 -- CORBINA-AS Corbina Telecom 12 - AS45595 10421 0.7% 28.8 -- PKTELECOM-AS-PK Pakistan Telecom Company Limited 13 - AS14420 9295 0.6% 13.9 -- CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP 14 - AS27738 9262 0.6% 27.3 -- Ecuadortelecom S.A. 15 - AS3454 8641 0.6% 1080.1 -- Universidad Autonoma de Nuevo Leon 16 - AS9498 8524 0.5% 10.6 -- BBIL-AP BHARTI Airtel Ltd. 17 - AS9808 8204 0.5% 23.4 -- CMNET-GD Guangdong Mobile Communication Co.Ltd. 18 - AS8151 8169 0.5% 6.2 -- Uninet S.A. de C.V. 19 - AS35819 8021 0.5% 19.3 -- MOBILY-AS Etihad Etisalat Company (Mobily) 20 - AS7491 8016 0.5% 81.8 -- PI-PH-AS-AP PI-PHILIPINES TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS19743 33082 2.1% 4726.0 -- 2 - AS44609 13326 0.8% 4442.0 -- FNA Fars News Agency Cultural Arts Institute 3 - AS35931 13508 0.9% 2251.3 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 4 - AS32528 17052 1.1% 2131.5 -- ABBOTT Abbot Labs 5 - AS49600 1284 0.1% 1284.0 -- LASEDA La Seda de Barcelona, S.A 6 - AS24534 4928 0.3% 1232.0 -- TRANSHYBRID-AS-ID PT. Transhybrid Communication 7 - AS27771 2189 0.1% 1094.5 -- Instituto Venezolano de Investigaciones Cientificas 8 - AS3454 8641 0.6% 1080.1 -- Universidad Autonoma de Nuevo Leon 9 - AS25170 891 0.1% 891.0 -- PRIVILIS PRIVILIS is an Internet Service Provider in Bordeaux, France 10 - AS13610 584 0.0% 584.0 -- PROVOCRAFT-NOVELTY - Provo Craft & Novelty, Inc. 11 - AS27667 1108 0.1% 554.0 -- Universidad Autonoma de la Laguna 12 - AS3 551 0.0% 735.0 -- NET-CONNECT Net-Connect s.r.o. 13 - AS9476 456 0.0% 456.0 -- INTRAPOWER-AS-AP IntraPower Pty. Ltd. 14 - AS44584 1768 0.1% 442.0 -- PTLINE-AS Progress Tehnologiya LLC 15 - AS50759 371 0.0% 371.0 -- DANONEPL-AS Danone Sp. z o.o. 16 - AS5868 368 0.0% 368.0 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 17 - AS38757 706 0.1% 353.0 -- ICONPLN-ID-AP PT. Indonesia Comnets Plus 18 - AS25516 325 0.0% 325.0 -- INIT-AS init AG fuer digitale Kommunikation 19 - AS18704 3154 0.2% 315.4 -- T-SYSTEMS-NA - T-Systems North America, Inc. 20 - AS35772 287 0.0% 287.0 -- SWAP-AS Swap Technologies SRL TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 200.23.202.0/24 8617 0.5% AS3454 -- Universidad Autonoma de Nuevo Leon 2 - 130.36.34.0/24 8518 0.5% AS32528 -- ABBOTT Abbot Labs 3 - 130.36.35.0/24 8518 0.5% AS32528 -- ABBOTT Abbot Labs 4 - 63.211.68.0/22 7234 0.4% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 5 - 202.92.235.0/24 7075 0.4% AS9498 -- BBIL-AP BHARTI Airtel Ltd. 6 - 178.22.72.0/21 6666 0.4% AS44609 -- FNA Fars News Agency Cultural Arts Institute 7 - 178.22.79.0/24 6654 0.4% AS44609 -- FNA Fars News Agency Cultural Arts Institute 8 - 65.122.196.0/24 6432 0.4% AS19743 -- 9 - 221.121.96.0/19 6290 0.4% AS7491 -- PI-PH-AS-AP PI-PHILIPINES 10 - 198.140.43.0/24 6126 0.4% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 11 - 72.164.144.0/24 5337 0.3% AS19743 -- 12 - 65.163.182.0/24 5329 0.3% AS19743 -- 13 - 65.162.204.0/24 5328 0.3% AS19743 -- 14 - 66.238.91.0/24 5328 0.3% AS19743 -- 15 - 66.89.98.0/24 5327 0.3% AS19743 -- 16 - 2.92.85.0/24 5196 0.3% AS8402 -- CORBINA-AS Corbina Telecom 17 - 202.153.174.0/24 3480 0.2% AS17408 -- ABOVE-AS-AP AboveNet Communications Taiwan 18 - 64.43.0.0/16 3141 0.2% AS18704 -- T-SYSTEMS-NA - T-Systems North America, Inc. 19 - 68.65.152.0/22 2808 0.2% AS11915 -- TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC 20 - 144.107.16.0/20 2045 0.1% AS6006 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center Details at http://bgpupdates.potaroo.net ------------------------------------ Copies of this report are mailed to: nanog(a)nanog.org 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 May '11

14 May '11

This report has been generated at Fri May 13 21:12:09 2011 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 06-05-11 359540 210993 07-05-11 360101 211009 08-05-11 359995 211087 09-05-11 360076 211487 10-05-11 360091 211606 11-05-11 360431 211602 12-05-11 360672 211886 13-05-11 360084 211906 AS Summary 37650 Number of ASes in routing system 15845 Number of ASes announcing only one prefix 3646 Largest number of prefixes announced by an AS AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc. 110450944 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'). --- 13May11 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 359750 211854 147896 41.1% All ASes AS6389 3646 260 3386 92.9% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS4323 1980 398 1582 79.9% TWTC - tw telecom holdings, inc. AS4766 2452 927 1525 62.2% KIXS-AS-KR Korea Telecom AS6478 1678 320 1358 80.9% ATT-INTERNET3 - AT&T Services, Inc. AS22773 1329 96 1233 92.8% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. AS19262 1498 298 1200 80.1% VZGNI-TRANSIT - Verizon Online LLC AS18566 1822 672 1150 63.1% COVAD - Covad Communications Co. AS4755 1462 373 1089 74.5% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP AS1785 1779 761 1018 57.2% AS-PAETEC-NET - PaeTec Communications, Inc. AS7552 1105 124 981 88.8% VIETEL-AS-AP Vietel Corporation AS10620 1477 513 964 65.3% Telmex Colombia S.A. AS28573 1313 418 895 68.2% NET Servicos de Comunicao S.A. AS18101 934 145 789 84.5% RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI AS7545 1549 769 780 50.4% TPG-INTERNET-AP TPG Internet Pty Ltd AS24560 1151 391 760 66.0% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services AS4808 1067 337 730 68.4% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS8151 1372 642 730 53.2% Uninet S.A. de C.V. AS3356 1118 454 664 59.4% LEVEL3 Level 3 Communications AS7303 931 272 659 70.8% Telecom Argentina S.A. AS11492 1279 625 654 51.1% CABLEONE - CABLE ONE, INC. AS17488 935 314 621 66.4% HATHWAY-NET-AP Hathway IP Over Cable Internet AS17676 665 70 595 89.5% GIGAINFRA Softbank BB Corp. AS855 634 56 578 91.2% CANET-ASN-4 - Bell Aliant Regional Communications, Inc. AS14420 667 92 575 86.2% CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP AS22561 913 355 558 61.1% DIGITAL-TELEPORT - Digital Teleport Inc. AS3549 950 395 555 58.4% GBLX Global Crossing Ltd. AS4780 747 195 552 73.9% SEEDNET Digital United Inc. AS22047 555 30 525 94.6% VTR BANDA ANCHA S.A. AS17974 1834 1316 518 28.2% TELKOMNET-AS2-AP PT Telekomunikasi Indonesia AS4804 578 83 495 85.6% MPX-AS Microplex PTY LTD Total 39420 11701 27719 70.3% Top 30 total Possible Bogus Routes 10.86.64.32/30 AS65530 -Private Use AS- 10.86.64.36/30 AS65530 -Private Use AS- 10.86.65.32/30 AS65530 -Private Use AS- 10.86.65.36/30 AS65530 -Private Use AS- 10.255.255.0/30 AS65530 -Private Use AS- 10.255.255.4/30 AS65530 -Private Use AS- 10.255.255.8/30 AS65530 -Private Use AS- 24.48.0.0/14 AS5769 VIDEOTRON - Videotron Telecom Ltee 24.225.128.0/18 AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc. 24.225.192.0/18 AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc. 24.225.192.0/23 AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc. 24.225.224.0/21 AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc. 24.225.237.0/24 AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc. 24.225.248.0/21 AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc. 31.222.96.0/22 AS29119 SERVIHOSTING-AS ServiHosting Networks S.L. 31.222.100.0/22 AS29119 SERVIHOSTING-AS ServiHosting Networks S.L. 41.222.79.0/24 AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited 41.223.92.0/22 AS36936 CELTEL-GABON Celtel Gabon Internet Service 45.127.0.0/16 AS13767 DBANK - DataBank Holdings, Ltd. 62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV 62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV 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 66.171.32.0/20 AS16626 GNAXNET-AS - Global Net Access, LLC 66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION 66.206.47.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 66.207.32.0/20 AS23011 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 BT Italia S.p.A. 72.22.32.0/19 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 115.42.28.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.40.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.42.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.44.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.47.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.48.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.49.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.50.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.51.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.52.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.53.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.54.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.55.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.56.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.57.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.58.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.59.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.61.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.62.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.63.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 116.206.72.0/24 AS6461 MFNX MFN - Metromedia Fiber Network 116.206.85.0/24 AS6461 MFNX MFN - Metromedia Fiber Network 116.206.103.0/24 AS6461 MFNX MFN - Metromedia Fiber Network 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 142.54.0.0/19 AS23498 CDSI - Cogeco Data Services Inc. 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 172.102.0.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 176.8.0.0/16 AS15895 KSNET-AS Kyivstar GSM 181.82.15.0/24 AS23982 SENDB-AS-KR Dongbu District Office of Education in Seoul 181.82.16.0/24 AS23982 SENDB-AS-KR Dongbu District Office of Education in Seoul 181.82.17.0/24 AS38418 SENSD-AS-KR seoul seondong district office of education 181.82.18.0/24 AS38418 SENSD-AS-KR seoul seondong district office of education 190.102.32.0/20 AS30058 FDCSERVERS - FDCservers.net 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 192.101.46.0/24 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 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.131.233.0/24 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 192.145.251.0/24 AS10026 PACNET Pacnet Global Ltd 192.154.32.0/19 AS81 NCREN - MCNC 192.154.64.0/19 AS81 NCREN - MCNC 192.169.15.0/24 AS17444 NWT-AS-AP AS number for New World Telephone Ltd. 192.188.208.0/20 AS721 DNIC-ASBLK-00721-00726 - DoD Network Information Center 194.5.87.0/24 AS25186 TRANSIT-VPN-AS France Telecom Transpac's Transit VPN network 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 196.202.224.0/21 AS8818 TELE Greenland Autonomous System 198.1.2.0/24 AS4761 INDOSAT-INP-AP INDOSAT Internet Network Provider 198.15.4.0/24 AS4323 TWTC - tw telecom holdings, inc. 198.15.5.0/24 AS4323 TWTC - tw telecom holdings, inc. 198.23.26.0/24 AS4390 BELLATLANTIC-COM - Bell Atlantic, Inc. 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 AS721 DNIC-ASBLK-00721-00726 - DoD Network Information Center 198.97.96.0/19 AS721 DNIC-ASBLK-00721-00726 - DoD Network Information Center 198.97.240.0/20 AS721 DNIC-ASBLK-00721-00726 - DoD Network Information Center 198.99.241.0/24 AS11797 AC-NIELSEN-AS AC NIELSEN 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 198.175.231.0/24 AS19262 VZGNI-TRANSIT - Verizon Online LLC 198.180.198.0/24 AS23715 SEOUL-INTGW-GXS-AP Global Exchange Services 198.182.235.0/24 AS3356 LEVEL3 Level 3 Communications 199.16.32.0/19 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 199.33.84.0/22 AS9911 CONNECTPLUS-AP Singapore Telecom 199.121.0.0/16 AS721 DNIC-ASBLK-00721-00726 - DoD Network Information Center 199.123.16.0/20 AS721 DNIC-ASBLK-00721-00726 - 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 199.246.116.0/24 AS813 UUNET-CANADA - MCI Communications Services, Inc. d/b/a Verizon Business 200.1.112.0/24 AS29754 GO2TEL GO2TEL.COM INC. 200.6.93.0/24 AS6400 Compañía Dominicana de Teléfonos, C. por A. - CODETEL 200.6.94.0/24 AS6400 Compañía Dominicana de Teléfonos, C. por A. - CODETEL 200.6.95.0/24 AS6400 Compañía Dominicana de Teléfonos, C. por A. - CODETEL 200.24.73.0/24 AS26061 Equant Colombia 200.24.76.0/24 AS7195 Telecorp Colombia S.A. 200.24.78.0/26 AS3549 GBLX Global Crossing Ltd. 200.24.78.64/26 AS3549 GBLX Global Crossing Ltd. 202.1.224.0/24 AS10097 FLOWCOM Flow Communications 2/541 Kent St Sydney NSW 2000 202.9.55.0/24 AS2764 AAPT AAPT Limited 202.9.57.0/24 AS2764 AAPT AAPT Limited 202.58.113.0/24 AS19161 202.61.75.0/24 AS9927 PHILCOMNET-PH A Multihomed ISP Company 202.74.232.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.74.233.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.83.120.0/21 AS37972 202.83.124.0/24 AS37972 202.83.125.0/24 AS37972 202.83.126.0/24 AS37972 202.94.1.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.133.70.0/24 AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited 202.133.73.0/24 AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited 202.146.186.0/24 AS23655 SNAP-NZ-AS Snap Internet Limited 202.160.152.0/22 AS10113 DATAFAST-AP DATAFAST TELECOMMUNICATIONS LTD 202.160.158.0/23 AS2764 AAPT AAPT Limited 202.174.125.0/24 AS9498 BBIL-AP BHARTI Airtel Ltd. 202.176.1.0/24 AS9942 COMINDICO-AP SOUL Converged Communications Australia 202.179.131.0/24 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 203.18.156.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 203.23.1.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications 203.24.38.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications 203.30.127.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications 203.32.86.0/23 AS18111 NETSPEED-AS-AP Netspeed Internet Communications 203.32.86.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications 203.32.87.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications 203.32.188.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 203.142.219.0/24 AS45149 203.175.107.0/24 AS45595 PKTELECOM-AS-PK Pakistan Telecom Company Limited 203.190.32.0/22 AS24564 204.9.216.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 204.10.232.0/21 AS33150 204.19.14.0/23 AS577 BACOM - Bell Canada 205.150.0.0/15 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 205.175.214.0/24 AS5583 ORANGE-BUSINESS-SERVICES-BENELUX Orange Business Services (formerly Equant) AS for BENELUX 205.189.134.0/24 AS11814 DISTRIBUTEL-AS11814 - DISTRIBUTEL COMMUNICATIONS LTD. 205.207.148.0/23 AS812 ROGERS-CABLE - Rogers Cable Communications Inc. 206.72.192.0/23 AS16526 BIRCH-TELECOM - Birch Telecom, Inc. 206.72.194.0/23 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. 208.64.240.0/21 AS13871 TELEBYTE-NW - Telebyte NW 208.78.165.0/24 AS16565 208.83.53.0/24 AS40569 YGOMI-AS - Ygomi LLC 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 209.148.64.0/19 AS13773 TELNETCOMM - Telnet Communications 209.165.239.0/24 AS209 ASN-QWEST - Qwest Communications Company, LLC 209.177.64.0/20 AS6461 MFNX MFN - Metromedia Fiber Network 209.213.0.0/20 AS33005 ELTOPIA - Eltopia.com, LLC 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 216.10.235.0/24 AS13780 NTNCOMMUNICATIONS - NTN 216.10.236.0/24 AS13780 NTNCOMMUNICATIONS - NTN 216.21.160.0/20 AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport 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. 216.105.192.0/23 AS7385 INTEGRATELECOM - Integra Telecom, Inc. 216.105.196.0/23 AS7385 INTEGRATELECOM - Integra Telecom, Inc. 216.105.200.0/21 AS7385 INTEGRATELECOM - Integra Telecom, 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. 216.194.160.0/20 AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)nanog.org 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 May '11

13 May '11

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.rand.apnic.net. If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 14 May, 2011 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 356656 Prefixes after maximum aggregation: 161598 Deaggregation factor: 2.21 Unique aggregates announced to Internet: 176105 Total ASes present in the Internet Routing Table: 37552 Prefixes per ASN: 9.50 Origin-only ASes present in the Internet Routing Table: 31389 Origin ASes announcing only one prefix: 15082 Transit ASes present in the Internet Routing Table: 5092 Transit-only ASes present in the Internet Routing Table: 136 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 36 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 626 Unregistered ASNs in the Routing Table: 320 Number of 32-bit ASNs allocated by the RIRs: 1348 Number of 32-bit ASNs visible in the Routing Table: 1071 Prefixes from 32-bit ASNs in the Routing Table: 2417 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 156 Number of addresses announced to Internet: 2425507776 Equivalent to 144 /8s, 146 /16s and 79 /24s Percentage of available address space announced: 65.4 Percentage of allocated address space announced: 65.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 90.7 Total number of prefixes smaller than registry allocations: 148116 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 89380 Total APNIC prefixes after maximum aggregation: 29933 APNIC Deaggregation factor: 2.99 Prefixes being announced from the APNIC address blocks: 85747 Unique aggregates announced from the APNIC address blocks: 36599 APNIC Region origin ASes present in the Internet Routing Table: 4441 APNIC Prefixes per ASN: 19.31 APNIC Region origin ASes announcing only one prefix: 1232 APNIC Region transit ASes present in the Internet Routing Table: 705 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 47 Number of APNIC addresses announced to Internet: 614205216 Equivalent to 36 /8s, 156 /16s and 7 /24s Percentage of available APNIC address space announced: 77.9 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, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 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: 140013 Total ARIN prefixes after maximum aggregation: 71448 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 112260 Unique aggregates announced from the ARIN address blocks: 45485 ARIN Region origin ASes present in the Internet Routing Table: 14368 ARIN Prefixes per ASN: 7.81 ARIN Region origin ASes announcing only one prefix: 5485 ARIN Region transit ASes present in the Internet Routing Table: 1497 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 12 Number of ARIN addresses announced to Internet: 800054528 Equivalent to 47 /8s, 175 /16s and 221 /24s Percentage of available ARIN address space announced: 63.6 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, 23/8, 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, 53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 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: 84162 Total RIPE prefixes after maximum aggregation: 48126 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 77641 Unique aggregates announced from the RIPE address blocks: 51249 RIPE Region origin ASes present in the Internet Routing Table: 15589 RIPE Prefixes per ASN: 4.98 RIPE Region origin ASes announcing only one prefix: 7801 RIPE Region transit ASes present in the Internet Routing Table: 2460 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 790 Number of RIPE addresses announced to Internet: 468684800 Equivalent to 27 /8s, 239 /16s and 144 /24s Percentage of available RIPE address space announced: 75.5 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, 56320-58367 196608-198655 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 32698 Total LACNIC prefixes after maximum aggregation: 7496 LACNIC Deaggregation factor: 4.36 Prefixes being announced from the LACNIC address blocks: 31756 Unique aggregates announced from the LACNIC address blocks: 16683 LACNIC Region origin ASes present in the Internet Routing Table: 1449 LACNIC Prefixes per ASN: 21.92 LACNIC Region origin ASes announcing only one prefix: 427 LACNIC Region transit ASes present in the Internet Routing Table: 268 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 217 Number of LACNIC addresses announced to Internet: 83360256 Equivalent to 4 /8s, 247 /16s and 250 /24s Percentage of available LACNIC address space announced: 55.2 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 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: 7770 Total AfriNIC prefixes after maximum aggregation: 1867 AfriNIC Deaggregation factor: 4.16 Prefixes being announced from the AfriNIC address blocks: 6122 Unique aggregates announced from the AfriNIC address blocks: 1939 AfriNIC Region origin ASes present in the Internet Routing Table: 447 AfriNIC Prefixes per ASN: 13.70 AfriNIC Region origin ASes announcing only one prefix: 137 AfriNIC Region transit ASes present in the Internet Routing Table: 97 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5 Number of AfriNIC addresses announced to Internet: 23095040 Equivalent to 1 /8s, 96 /16s and 103 /24s Percentage of available AfriNIC address space announced: 34.4 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 2452 9493 916 Korea Telecom (KIX) 17974 1834 516 32 PT TELEKOMUNIKASI INDONESIA 7545 1549 301 87 TPG Internet Pty Ltd 4755 1461 634 167 TATA Communications formerly 24560 1151 336 184 Bharti Airtel Ltd., Telemedia 7552 1105 1064 7 Vietel Corporation 9583 1079 80 510 Sify Limited 4808 1063 2130 297 CNCGROUP IP network: China169 9829 1039 874 51 BSNL National Internet Backbo 17488 935 165 103 Hathway IP Over Cable Interne Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3647 3822 255 bellsouth.net, inc. 4323 1979 1081 396 Time Warner Telecom 18566 1822 357 232 Covad Communications 1785 1775 681 124 PaeTec Communications, Inc. 6478 1678 314 50 AT&T Worldnet Services 20115 1535 1539 631 Charter Communications 19262 1499 4949 299 Verizon Global Networks 7018 1357 6911 886 AT&T WorldNet Services 22773 1329 2897 87 Cox Communications, Inc. 11492 1279 240 15 Cable One Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6830 519 1780 321 UPC Distribution Services 34984 512 106 182 BILISIM TELEKOM 3292 459 1998 392 TDC Tele Danmark 20940 447 131 342 Akamai Technologies European 8866 442 134 26 Bulgarian Telecommunication C 29049 442 32 44 AzerSat LLC. 12479 430 577 6 Uni2 Autonomous System 3320 420 7608 367 Deutsche Telekom AG 8551 406 355 45 Bezeq International 702 397 1802 310 UUNET - Commercial IP service Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 10620 1476 272 154 TVCABLE BOGOTA 8151 1370 2702 362 UniNet S.A. de C.V. 28573 1315 990 86 NET Servicos de Comunicao S.A 7303 931 470 152 Telecom Argentina Stet-France 6503 732 354 73 AVANTEL, S.A. 14420 667 54 91 CORPORACION NACIONAL DE TELEC 22047 555 310 15 VTR PUNTO NET S.A. 3816 521 227 100 Empresa Nacional de Telecomun 13489 499 241 121 Orbitel S.A. E.S.P. 11172 493 84 83 Servicios Alestra S.A de C.V Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 888 445 11 TEDATA 24863 782 147 37 LINKdotNET AS number 15475 415 90 8 Nile Online 36992 288 331 17 Etisalat MISR 3741 268 985 228 The Internet Solution 6713 241 215 13 Itissalat Al-MAGHRIB 24835 206 78 10 RAYA Telecom - Egypt 33776 200 12 11 Starcomms Nigeria Limited 29571 162 17 11 Ci Telecom Autonomous system 16637 150 441 86 MTN Network Solutions Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3647 3822 255 bellsouth.net, inc. 4766 2452 9493 916 Korea Telecom (KIX) 23456 2417 685 1317 32-bit ASN transition 4323 1979 1081 396 Time Warner Telecom 17974 1834 516 32 PT TELEKOMUNIKASI INDONESIA 18566 1822 357 232 Covad Communications 1785 1775 681 124 PaeTec Communications, Inc. 6478 1678 314 50 AT&T Worldnet Services 7545 1549 301 87 TPG Internet Pty Ltd 20115 1535 1539 631 Charter Communications Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 17974 1834 1802 PT TELEKOMUNIKASI INDONESIA 1785 1775 1651 PaeTec Communications, Inc. 6478 1678 1628 AT&T Worldnet Services 18566 1822 1590 Covad Communications 4323 1979 1583 Time Warner Telecom 4766 2452 1536 Korea Telecom (KIX) 7545 1549 1462 TPG Internet Pty Ltd 10620 1476 1322 TVCABLE BOGOTA 4755 1461 1294 TATA Communications formerly 11492 1279 1264 Cable One Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 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 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.225.128.0/18 36377 Comcast Telecommunications, I 24.225.192.0/23 36377 Comcast Telecommunications, I 24.225.192.0/18 36377 Comcast Telecommunications, I 24.225.224.0/21 36377 Comcast Telecommunications, I 24.225.237.0/24 36377 Comcast Telecommunications, I 24.225.248.0/21 36377 Comcast Telecommunications, I 31.134.128.0/18 42668 RIPE Network Coordination Cen 31.220.160.0/19 29072 RDTC Autonomous System ISP at 31.222.96.0/22 29119 ServiHosting Autonomous Syste 31.222.100.0/22 29119 ServiHosting Autonomous Syste Complete listing at http://thyme.rand.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 /8:20 /9:12 /10:28 /11:78 /12:223 /13:459 /14:790 /15:1390 /16:11723 /17:5766 /18:9707 /19:19307 /20:25552 /21:25796 /22:34071 /23:32878 /24:185607 /25:1092 /26:1271 /27:709 /28:161 /29:8 /30:2 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2247 3647 bellsouth.net, inc. 18566 1784 1822 Covad Communications 6478 1632 1678 AT&T Worldnet Services 10620 1366 1476 TVCABLE BOGOTA 11492 1225 1279 Cable One 23456 1188 2417 32-bit ASN transition 7011 1062 1162 Citizens Utilities 1785 1050 1775 PaeTec Communications, Inc. 4323 888 1979 Time Warner Telecom 22773 846 1329 Cox Communications, Inc. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:267 2:44 4:14 5:1 6:3 8:352 12:1985 13:1 14:456 15:15 16:3 17:8 20:10 23:7 24:1639 27:743 31:328 32:60 33:4 34:2 37:1 38:731 40:101 41:2501 42:5 44:3 46:903 47:4 49:177 50:401 52:13 55:6 56:2 57:30 58:848 59:485 60:387 61:1254 62:974 63:1925 64:3928 65:2299 66:4140 67:1866 68:1093 69:2986 70:706 71:350 72:1884 73:1 74:2345 75:306 76:342 77:865 78:689 79:463 80:1096 81:817 82:493 83:449 84:625 85:1071 86:598 87:746 88:325 89:1566 90:202 91:3732 92:512 93:1054 94:1251 95:803 96:483 97:246 98:828 99:35 101:59 103:12 106:1 107:6 108:85 109:944 110:585 111:711 112:319 113:399 114:532 115:666 116:954 117:683 118:818 119:1135 120:309 121:678 122:1621 123:1079 124:1257 125:1223 128:259 129:166 130:165 131:568 132:110 133:19 134:218 135:49 136:214 137:143 138:304 139:106 140:480 141:240 142:401 143:402 144:487 145:53 146:440 147:210 148:591 149:243 150:171 151:187 152:310 153:179 154:3 155:395 156:194 157:352 158:131 159:387 160:315 161:207 162:279 163:163 164:499 165:352 166:514 167:431 168:725 169:153 170:794 171:77 172:1 173:1557 174:543 175:370 177:120 178:908 180:840 181:16 182:439 183:205 184:262 185:1 186:1169 187:749 188:829 189:907 190:4793 192:5783 193:4843 194:3477 195:2973 196:1209 197:17 198:3570 199:3893 200:5535 201:1494 202:8359 203:8467 204:4111 205:2328 206:2725 207:2913 208:3966 209:3423 210:2731 211:1386 212:1973 213:1717 214:730 215:69 216:4818 217:1630 218:565 219:370 220:1203 221:483 222:342 223:145 End of report

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BGP Update Report
by cidr-report＠potaroo.net 07 May '11

07 May '11

BGP Update Report Interval: 28-Apr-11 -to- 05-May-11 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9829 39333 2.9% 56.6 -- BSNL-NIB National Internet Backbone 2 - AS19743 31657 2.3% 4522.4 -- 3 - AS17974 28594 2.1% 17.2 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 4 - AS14434 22442 1.6% 1870.2 -- 5 - AS32528 17741 1.3% 4435.2 -- ABBOTT Abbot Labs 6 - AS35819 16835 1.2% 62.6 -- MOBILY-AS Etihad Etisalat Company (Mobily) 7 - AS21826 16506 1.2% 54.7 -- Internet Cable Plus C. A. 8 - AS27738 14198 1.0% 42.0 -- Ecuadortelecom S.A. 9 - AS35931 13892 1.0% 4630.7 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 10 - AS33475 13725 1.0% 77.5 -- RSN-1 - RockSolid Network, Inc. 11 - AS6458 12607 0.9% 44.5 -- Telgua 12 - AS14420 12564 0.9% 19.0 -- CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP 13 - AS11992 12441 0.9% 27.3 -- CENTENNIAL-PR - Centennial de Puerto Rico 14 - AS1660 11635 0.8% 147.3 -- ANS-CORP-NY - ANS Communications 15 - AS11492 11545 0.8% 24.1 -- CABLEONE - CABLE ONE, INC. 16 - AS9498 10604 0.8% 25.2 -- BBIL-AP BHARTI Airtel Ltd. 17 - AS24560 10290 0.8% 10.3 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 18 - AS24534 10040 0.7% 2510.0 -- TRANSHYBRID-AS-ID PT. Transhybrid Communication 19 - AS15475 9993 0.7% 22.9 -- NOL 20 - AS24757 9813 0.7% 223.0 -- EthioNet-AS TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS35931 13892 1.0% 4630.7 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 2 - AS19743 31657 2.3% 4522.4 -- 3 - AS32528 17741 1.3% 4435.2 -- ABBOTT Abbot Labs 4 - AS18704 4334 0.3% 4334.0 -- T-SYSTEMS-NA - T-Systems North America, Inc. 5 - AS17408 3550 0.3% 3550.0 -- ABOVE-AS-AP AboveNet Communications Taiwan 6 - AS44609 9297 0.7% 3099.0 -- FNA Fars News Agency Cultural Arts Institute 7 - AS24534 10040 0.7% 2510.0 -- TRANSHYBRID-AS-ID PT. Transhybrid Communication 8 - AS14434 22442 1.6% 1870.2 -- 9 - AS49600 1488 0.1% 1488.0 -- LASEDA La Seda de Barcelona, S.A 10 - AS50324 938 0.1% 938.0 -- ORCO-GSG GSG Asset GmbH & Co. Verwaltungs KG 11 - AS27771 1731 0.1% 865.5 -- Instituto Venezolano de Investigaciones Cientificas 12 - AS48731 791 0.1% 791.0 -- VSAU-AS Federal State Educational Institution of Higher Professional Education Voronezh State Agricultural University of K.D.Glinka 13 - AS3454 6308 0.5% 788.5 -- Universidad Autonoma de Nuevo Leon 14 - AS11915 3715 0.3% 743.0 -- TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC 15 - AS27667 1190 0.1% 595.0 -- Universidad Autonoma de la Laguna 16 - AS49508 480 0.0% 480.0 -- NEOS1-AS KS-Telecom ltd 17 - AS13610 480 0.0% 480.0 -- PROVOCRAFT-NOVELTY - Provo Craft & Novelty, Inc. 18 - AS10445 2351 0.2% 470.2 -- HTG - Huntleigh Telcom 19 - AS3 447 0.0% 735.0 -- GIGABIT-NET LLC Gigabit 20 - AS3 433 0.0% 1083.0 -- GIGABIT-NET LLC Gigabit TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 202.92.235.0/24 9609 0.7% AS9498 -- BBIL-AP BHARTI Airtel Ltd. 2 - 130.36.35.0/24 8872 0.6% AS32528 -- ABBOTT Abbot Labs 3 - 130.36.34.0/24 8867 0.6% AS32528 -- ABBOTT Abbot Labs 4 - 63.211.68.0/22 7597 0.5% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 5 - 65.122.196.0/24 6272 0.4% AS19743 -- 6 - 198.140.43.0/24 6232 0.4% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 7 - 200.23.202.0/24 6148 0.4% AS3454 -- Universidad Autonoma de Nuevo Leon 8 - 66.248.160.0/22 5650 0.4% AS14434 -- 9 - 66.248.170.0/23 5650 0.4% AS14434 -- 10 - 221.121.96.0/19 5594 0.4% AS7491 -- PI-PH-AS-AP PI-PHILIPINES 11 - 66.248.172.0/23 5566 0.4% AS14434 -- 12 - 66.248.168.0/24 5560 0.4% AS14434 -- 13 - 66.238.91.0/24 5077 0.3% AS19743 -- 14 - 66.89.98.0/24 5077 0.3% AS19743 -- 15 - 72.164.144.0/24 5077 0.3% AS19743 -- 16 - 65.162.204.0/24 5076 0.3% AS19743 -- 17 - 65.163.182.0/24 5076 0.3% AS19743 -- 18 - 178.22.72.0/21 4689 0.3% AS44609 -- FNA Fars News Agency Cultural Arts Institute 19 - 178.22.79.0/24 4601 0.3% AS44609 -- FNA Fars News Agency Cultural Arts Institute 20 - 64.43.0.0/16 4334 0.3% AS18704 -- T-SYSTEMS-NA - T-Systems North America, Inc. Details at http://bgpupdates.potaroo.net ------------------------------------ Copies of this report are mailed to: nanog(a)nanog.org eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org

1 0

The Cidr Report
by cidr-report＠potaroo.net 07 May '11

07 May '11

This report has been generated at Fri May 6 21:12:10 2011 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 29-04-11 359398 210528 30-04-11 359141 210245 01-05-11 359150 210332 02-05-11 359477 210568 03-05-11 359727 210958 04-05-11 359799 211320 05-05-11 360266 210489 06-05-11 359540 210997 AS Summary 37602 Number of ASes in routing system 15851 Number of ASes announcing only one prefix 3647 Largest number of prefixes announced by an AS AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc. 110377472 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'). --- 06May11 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 360041 210977 149064 41.4% All ASes AS6389 3647 260 3387 92.9% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS4323 2574 403 2171 84.3% TWTC - tw telecom holdings, inc. AS4766 2451 927 1524 62.2% KIXS-AS-KR Korea Telecom AS6478 1667 207 1460 87.6% ATT-INTERNET3 - AT&T Services, Inc. AS22773 1329 96 1233 92.8% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. AS19262 1496 298 1198 80.1% VZGNI-TRANSIT - Verizon Online LLC AS18566 1782 659 1123 63.0% COVAD - Covad Communications Co. AS10620 1458 348 1110 76.1% Telmex Colombia S.A. AS4755 1461 377 1084 74.2% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP AS7552 1204 128 1076 89.4% VIETEL-AS-AP Vietel Corporation AS1785 1788 763 1025 57.3% AS-PAETEC-NET - PaeTec Communications, Inc. AS28573 1298 416 882 68.0% NET Servicos de Comunicao S.A. AS18101 935 145 790 84.5% RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI AS7545 1567 788 779 49.7% TPG-INTERNET-AP TPG Internet Pty Ltd AS24560 1151 415 736 63.9% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services AS8151 1368 636 732 53.5% Uninet S.A. de C.V. AS4808 1040 333 707 68.0% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS3356 1116 452 664 59.5% LEVEL3 Level 3 Communications AS7303 927 273 654 70.6% Telecom Argentina S.A. AS17488 938 308 630 67.2% HATHWAY-NET-AP Hathway IP Over Cable Internet AS11492 1262 638 624 49.4% CABLEONE - CABLE ONE, INC. AS17676 660 70 590 89.4% GIGAINFRA Softbank BB Corp. AS855 634 56 578 91.2% CANET-ASN-4 - Bell Aliant Regional Communications, Inc. AS14420 665 99 566 85.1% CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP AS3549 948 399 549 57.9% GBLX Global Crossing Ltd. AS4780 745 196 549 73.7% SEEDNET Digital United Inc. AS22047 557 30 527 94.6% VTR BANDA ANCHA S.A. AS22561 863 341 522 60.5% DIGITAL-TELEPORT - Digital Teleport Inc. AS6503 802 297 505 63.0% Axtel, S.A.B. de C.V. AS17974 1813 1311 502 27.7% TELKOMNET-AS2-AP PT Telekomunikasi Indonesia Total 40146 11669 28477 70.9% Top 30 total Possible Bogus Routes 10.86.64.32/30 AS65530 -Private Use AS- 10.86.64.36/30 AS65530 -Private Use AS- 10.86.65.32/30 AS65530 -Private Use AS- 10.86.65.36/30 AS65530 -Private Use AS- 10.255.255.0/30 AS65530 -Private Use AS- 10.255.255.4/30 AS65530 -Private Use AS- 10.255.255.8/30 AS65530 -Private Use AS- 24.48.0.0/14 AS5769 VIDEOTRON - Videotron Telecom Ltee 24.225.128.0/18 AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc. 24.225.192.0/18 AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc. 24.225.192.0/23 AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc. 24.225.224.0/21 AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc. 24.225.237.0/24 AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc. 24.225.248.0/21 AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc. 31.210.248.0/21 AS35706 NAO Net at Once Sweden AB 41.222.79.0/24 AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited 41.223.92.0/22 AS36936 CELTEL-GABON Celtel Gabon Internet Service 45.127.0.0/16 AS13767 DBANK - DataBank Holdings, Ltd. 62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV 62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV 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 66.171.32.0/20 AS16626 GNAXNET-AS - Global Net Access, LLC 66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION 66.206.47.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 66.207.32.0/20 AS23011 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 BT Italia S.p.A. 72.22.32.0/19 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 115.42.28.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.40.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.42.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.44.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.47.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.48.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.49.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.50.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.51.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.52.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.53.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.54.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.55.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.56.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.57.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.58.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.59.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.61.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.62.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 115.42.63.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 116.206.72.0/24 AS6461 MFNX MFN - Metromedia Fiber Network 116.206.85.0/24 AS6461 MFNX MFN - Metromedia Fiber Network 116.206.103.0/24 AS6461 MFNX MFN - Metromedia Fiber Network 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 142.54.0.0/19 AS23498 CDSI - Cogeco Data Services Inc. 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 172.102.0.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 181.82.15.0/24 AS23982 SENDB-AS-KR Dongbu District Office of Education in Seoul 181.82.16.0/24 AS23982 SENDB-AS-KR Dongbu District Office of Education in Seoul 181.82.17.0/24 AS38418 SENSD-AS-KR seoul seondong district office of education 181.82.18.0/24 AS38418 SENSD-AS-KR seoul seondong district office of education 190.102.32.0/20 AS30058 FDCSERVERS - FDCservers.net 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 192.101.46.0/24 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 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.131.233.0/24 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 192.145.251.0/24 AS10026 PACNET Pacnet Global Ltd 192.154.32.0/19 AS81 NCREN - MCNC 192.154.64.0/19 AS81 NCREN - MCNC 192.188.208.0/20 AS721 DNIC-ASBLK-00721-00726 - 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 196.202.224.0/21 AS8818 TELE Greenland Autonomous System 198.1.2.0/24 AS4761 INDOSAT-INP-AP INDOSAT Internet Network Provider 198.15.4.0/24 AS4323 TWTC - tw telecom holdings, inc. 198.15.5.0/24 AS4323 TWTC - tw telecom holdings, inc. 198.23.26.0/24 AS4390 BELLATLANTIC-COM - Bell Atlantic, Inc. 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 AS721 DNIC-ASBLK-00721-00726 - DoD Network Information Center 198.97.96.0/19 AS721 DNIC-ASBLK-00721-00726 - DoD Network Information Center 198.97.240.0/20 AS721 DNIC-ASBLK-00721-00726 - DoD Network Information Center 198.99.241.0/24 AS11797 AC-NIELSEN-AS AC NIELSEN 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 198.175.231.0/24 AS19262 VZGNI-TRANSIT - Verizon Online LLC 198.180.198.0/24 AS23715 SEOUL-INTGW-GXS-AP Global Exchange Services 198.182.235.0/24 AS3356 LEVEL3 Level 3 Communications 199.16.32.0/19 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 199.33.84.0/22 AS9911 CONNECTPLUS-AP Singapore Telecom 199.121.0.0/16 AS721 DNIC-ASBLK-00721-00726 - DoD Network Information Center 199.123.16.0/20 AS721 DNIC-ASBLK-00721-00726 - 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 199.246.116.0/24 AS813 UUNET-CANADA - MCI Communications Services, Inc. d/b/a Verizon Business 200.1.112.0/24 AS29754 GO2TEL GO2TEL.COM INC. 200.24.73.0/24 AS26061 Equant Colombia 200.24.76.0/24 AS7195 Telecorp Colombia S.A. 200.24.78.0/26 AS3549 GBLX Global Crossing Ltd. 200.24.78.64/26 AS3549 GBLX Global Crossing Ltd. 202.1.224.0/24 AS10097 FLOWCOM Flow Communications 2/541 Kent St Sydney NSW 2000 202.9.55.0/24 AS2764 AAPT AAPT Limited 202.9.57.0/24 AS2764 AAPT AAPT Limited 202.58.113.0/24 AS19161 202.61.75.0/24 AS9927 PHILCOMNET-PH A Multihomed ISP Company 202.74.232.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.74.233.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.83.120.0/21 AS37972 202.83.124.0/24 AS37972 202.83.125.0/24 AS37972 202.83.126.0/24 AS37972 202.94.1.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.133.70.0/24 AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited 202.133.73.0/24 AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited 202.146.186.0/24 AS23655 SNAP-NZ-AS Snap Internet Limited 202.160.152.0/22 AS10113 DATAFAST-AP DATAFAST TELECOMMUNICATIONS LTD 202.160.158.0/23 AS2764 AAPT AAPT Limited 202.174.125.0/24 AS9498 BBIL-AP BHARTI Airtel Ltd. 202.176.1.0/24 AS9942 COMINDICO-AP SOUL Converged Communications Australia 202.179.131.0/24 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 203.18.156.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 203.23.1.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications 203.24.38.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications 203.30.127.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications 203.32.86.0/23 AS18111 NETSPEED-AS-AP Netspeed Internet Communications 203.32.86.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications 203.32.87.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications 203.32.188.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 203.142.219.0/24 AS45149 203.175.107.0/24 AS45595 PKTELECOM-AS-PK Pakistan Telecom Company Limited 203.190.32.0/22 AS24564 204.9.216.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 204.10.232.0/21 AS33150 204.19.14.0/23 AS577 BACOM - Bell Canada 205.150.0.0/15 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 205.175.214.0/24 AS5583 ORANGE-BUSINESS-SERVICES-BENELUX Orange Business Services (formerly Equant) AS for BENELUX 205.189.134.0/24 AS11814 DISTRIBUTEL-AS11814 - DISTRIBUTEL COMMUNICATIONS LTD. 205.207.148.0/23 AS812 ROGERS-CABLE - Rogers Cable Communications Inc. 206.72.192.0/23 AS16526 BIRCH-TELECOM - Birch Telecom, Inc. 206.72.194.0/23 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. 208.64.240.0/21 AS13871 TELEBYTE-NW - Telebyte NW 208.78.165.0/24 AS16565 208.83.53.0/24 AS40569 YGOMI-AS - Ygomi LLC 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 209.148.64.0/19 AS13773 TELNETCOMM - Telnet Communications 209.165.239.0/24 AS209 ASN-QWEST - Qwest Communications Company, LLC 209.177.64.0/20 AS6461 MFNX MFN - Metromedia Fiber Network 209.213.0.0/20 AS33005 ELTOPIA - Eltopia.com, LLC 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 216.10.235.0/24 AS13780 NTNCOMMUNICATIONS - NTN 216.10.236.0/24 AS13780 NTNCOMMUNICATIONS - NTN 216.21.160.0/20 AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport 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. 216.105.192.0/23 AS7385 INTEGRATELECOM - Integra Telecom, Inc. 216.105.196.0/23 AS7385 INTEGRATELECOM - Integra Telecom, Inc. 216.105.200.0/21 AS7385 INTEGRATELECOM - Integra Telecom, 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. 216.194.160.0/20 AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)nanog.org 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 May '11

06 May '11

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.rand.apnic.net. If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 07 May, 2011 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 356623 Prefixes after maximum aggregation: 161219 Deaggregation factor: 2.21 Unique aggregates announced to Internet: 176188 Total ASes present in the Internet Routing Table: 37501 Prefixes per ASN: 9.51 Origin-only ASes present in the Internet Routing Table: 31368 Origin ASes announcing only one prefix: 15102 Transit ASes present in the Internet Routing Table: 5082 Transit-only ASes present in the Internet Routing Table: 139 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 36 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 592 Unregistered ASNs in the Routing Table: 299 Number of 32-bit ASNs allocated by the RIRs: 1333 Number of 32-bit ASNs visible in the Routing Table: 1051 Prefixes from 32-bit ASNs in the Routing Table: 2383 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 147 Number of addresses announced to Internet: 2423268544 Equivalent to 144 /8s, 112 /16s and 36 /24s Percentage of available address space announced: 65.4 Percentage of allocated address space announced: 65.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 90.7 Total number of prefixes smaller than registry allocations: 148140 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 89329 Total APNIC prefixes after maximum aggregation: 29919 APNIC Deaggregation factor: 2.99 Prefixes being announced from the APNIC address blocks: 85712 Unique aggregates announced from the APNIC address blocks: 36913 APNIC Region origin ASes present in the Internet Routing Table: 4437 APNIC Prefixes per ASN: 19.32 APNIC Region origin ASes announcing only one prefix: 1235 APNIC Region transit ASes present in the Internet Routing Table: 707 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 48 Number of APNIC addresses announced to Internet: 612912416 Equivalent to 36 /8s, 136 /16s and 77 /24s Percentage of available APNIC address space announced: 77.7 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, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 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: 140234 Total ARIN prefixes after maximum aggregation: 71250 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 112594 Unique aggregates announced from the ARIN address blocks: 45335 ARIN Region origin ASes present in the Internet Routing Table: 14357 ARIN Prefixes per ASN: 7.84 ARIN Region origin ASes announcing only one prefix: 5492 ARIN Region transit ASes present in the Internet Routing Table: 1499 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 12 Number of ARIN addresses announced to Internet: 800024832 Equivalent to 47 /8s, 175 /16s and 105 /24s Percentage of available ARIN address space announced: 63.6 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, 23/8, 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, 53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 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: 83935 Total RIPE prefixes after maximum aggregation: 48029 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 77374 Unique aggregates announced from the RIPE address blocks: 51246 RIPE Region origin ASes present in the Internet Routing Table: 15569 RIPE Prefixes per ASN: 4.97 RIPE Region origin ASes announcing only one prefix: 7811 RIPE Region transit ASes present in the Internet Routing Table: 2452 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 777 Number of RIPE addresses announced to Internet: 468167936 Equivalent to 27 /8s, 231 /16s and 173 /24s Percentage of available RIPE address space announced: 75.4 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, 56320-58367 196608-198655 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 32749 Total LACNIC prefixes after maximum aggregation: 7494 LACNIC Deaggregation factor: 4.37 Prefixes being announced from the LACNIC address blocks: 31794 Unique aggregates announced from the LACNIC address blocks: 16628 LACNIC Region origin ASes present in the Internet Routing Table: 1450 LACNIC Prefixes per ASN: 21.93 LACNIC Region origin ASes announcing only one prefix: 430 LACNIC Region transit ASes present in the Internet Routing Table: 268 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 209 Number of LACNIC addresses announced to Internet: 83079680 Equivalent to 4 /8s, 243 /16s and 178 /24s Percentage of available LACNIC address space announced: 55.0 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 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: 7778 Total AfriNIC prefixes after maximum aggregation: 1857 AfriNIC Deaggregation factor: 4.19 Prefixes being announced from the AfriNIC address blocks: 6135 Unique aggregates announced from the AfriNIC address blocks: 1917 AfriNIC Region origin ASes present in the Internet Routing Table: 447 AfriNIC Prefixes per ASN: 13.72 AfriNIC Region origin ASes announcing only one prefix: 134 AfriNIC Region transit ASes present in the Internet Routing Table: 97 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5 Number of AfriNIC addresses announced to Internet: 23038208 Equivalent to 1 /8s, 95 /16s and 137 /24s Percentage of available AfriNIC address space announced: 34.3 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 2436 9490 906 Korea Telecom (KIX) 17974 1813 515 29 PT TELEKOMUNIKASI INDONESIA 7545 1565 301 86 TPG Internet Pty Ltd 4755 1461 634 167 TATA Communications formerly 7552 1204 1064 7 Vietel Corporation 24560 1151 336 184 Bharti Airtel Ltd., Telemedia 9583 1057 77 492 Sify Limited 9829 1039 874 51 BSNL National Internet Backbo 4808 1036 2087 294 CNCGROUP IP network: China169 17488 938 164 100 Hathway IP Over Cable Interne Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3644 3822 258 bellsouth.net, inc. 4323 2582 1087 399 Time Warner Telecom 1785 1785 681 127 PaeTec Communications, Inc. 18566 1782 354 219 Covad Communications 6478 1667 313 52 AT&T Worldnet Services 20115 1531 1536 636 Charter Communications 19262 1496 4949 298 Verizon Global Networks 7018 1359 6927 887 AT&T WorldNet Services 22773 1329 2897 87 Cox Communications, Inc. 2386 1265 536 908 AT&T Data Communications Serv Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6830 519 1780 321 UPC Distribution Services 34984 508 106 184 BILISIM TELEKOM 3292 457 1997 391 TDC Tele Danmark 20940 446 131 342 Akamai Technologies European 8866 444 134 26 Bulgarian Telecommunication C 29049 443 33 43 AzerSat LLC. 3320 423 7609 368 Deutsche Telekom AG 12479 419 577 6 Uni2 Autonomous System 8551 406 355 45 Bezeq International 8402 401 320 11 Corbina telecom Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 10620 1458 270 155 TVCABLE BOGOTA 8151 1366 2698 364 UniNet S.A. de C.V. 28573 1298 990 89 NET Servicos de Comunicao S.A 7303 926 467 149 Telecom Argentina Stet-France 6503 801 354 73 AVANTEL, S.A. 14420 665 53 91 CORPORACION NACIONAL DE TELEC 22047 557 310 15 VTR PUNTO NET S.A. 3816 518 226 99 Empresa Nacional de Telecomun 11172 495 84 83 Servicios Alestra S.A de C.V 13489 487 233 116 Orbitel S.A. E.S.P. Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 881 445 11 TEDATA 24863 782 147 37 LINKdotNET AS number 15475 421 90 8 Nile Online 36992 287 331 17 Etisalat MISR 3741 267 985 227 The Internet Solution 6713 240 215 13 Itissalat Al-MAGHRIB 33776 214 12 11 Starcomms Nigeria Limited 24835 209 78 10 RAYA Telecom - Egypt 29571 161 17 11 Ci Telecom Autonomous system 16637 149 441 86 MTN Network Solutions Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3644 3822 258 bellsouth.net, inc. 4323 2582 1087 399 Time Warner Telecom 4766 2436 9490 906 Korea Telecom (KIX) 23456 2383 666 1288 32-bit ASN transition 17974 1813 515 29 PT TELEKOMUNIKASI INDONESIA 1785 1785 681 127 PaeTec Communications, Inc. 18566 1782 354 219 Covad Communications 6478 1667 313 52 AT&T Worldnet Services 7545 1565 301 86 TPG Internet Pty Ltd 20115 1531 1536 636 Charter Communications Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2582 2183 Time Warner Telecom 17974 1813 1784 PT TELEKOMUNIKASI INDONESIA 1785 1785 1658 PaeTec Communications, Inc. 6478 1667 1615 AT&T Worldnet Services 18566 1782 1563 Covad Communications 4766 2436 1530 Korea Telecom (KIX) 7545 1565 1479 TPG Internet Pty Ltd 10620 1458 1303 TVCABLE BOGOTA 4755 1461 1294 TATA Communications formerly 11492 1262 1247 Cable One Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 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 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.225.128.0/18 36377 Comcast Telecommunications, I 24.225.192.0/23 36377 Comcast Telecommunications, I 24.225.192.0/18 36377 Comcast Telecommunications, I 24.225.224.0/21 36377 Comcast Telecommunications, I 24.225.237.0/24 36377 Comcast Telecommunications, I 24.225.248.0/21 36377 Comcast Telecommunications, I 31.210.248.0/21 35706 Net at Once 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 45.127.0.0/16 13767 NetworkTwo Communications Gro Complete listing at http://thyme.rand.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 /8:20 /9:12 /10:28 /11:78 /12:223 /13:458 /14:790 /15:1389 /16:11689 /17:5747 /18:9693 /19:19273 /20:25574 /21:25731 /22:33992 /23:32787 /24:185889 /25:1096 /26:1273 /27:707 /28:158 /29:8 /30:2 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2245 3644 bellsouth.net, inc. 18566 1744 1782 Covad Communications 6478 1621 1667 AT&T Worldnet Services 10620 1348 1458 TVCABLE BOGOTA 4323 1289 2582 Time Warner Telecom 11492 1211 1262 Cable One 23456 1182 2383 32-bit ASN transition 7011 1062 1162 Citizens Utilities 1785 1054 1785 PaeTec Communications, Inc. 22773 846 1329 Cox Communications, Inc. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:265 2:61 4:14 5:1 6:3 8:353 12:1992 13:1 14:452 15:15 16:3 17:8 20:10 23:6 24:1627 27:734 31:296 32:63 33:3 34:2 37:1 38:765 40:101 41:2485 42:4 44:3 46:906 47:4 49:172 50:388 52:13 55:4 56:2 57:30 58:843 59:482 60:387 61:1254 62:995 63:1926 64:3927 65:2308 66:4319 67:1873 68:1079 69:2966 70:699 71:346 72:1884 73:1 74:2339 75:299 76:338 77:838 78:688 79:454 80:1079 81:813 82:494 83:446 84:630 85:1076 86:577 87:747 88:323 89:1596 90:192 91:3707 92:511 93:1062 94:1266 95:804 96:482 97:255 98:823 99:35 101:69 103:9 107:6 108:85 109:946 110:583 111:710 112:318 113:399 114:532 115:657 116:949 117:678 118:818 119:1143 120:305 121:672 122:1619 123:1080 124:1254 125:1221 128:259 129:163 130:165 131:564 132:109 133:19 134:217 135:49 136:214 137:143 138:302 139:105 140:480 141:239 142:400 143:398 144:486 145:50 146:436 147:210 148:595 149:243 150:171 151:187 152:310 153:179 154:3 155:396 156:190 157:352 158:130 159:384 160:315 161:205 162:279 163:164 164:498 165:349 166:513 167:426 168:699 169:153 170:784 171:77 172:1 173:1538 174:538 175:373 177:119 178:859 180:818 181:19 182:434 183:208 184:260 185:1 186:1153 187:800 188:847 189:941 190:4853 192:5792 193:4827 194:3466 195:2966 196:1201 197:16 198:3564 199:3921 200:5526 201:1504 202:8357 203:8448 204:4137 205:2327 206:2747 207:3038 208:3960 209:3481 210:2721 211:1372 212:1978 213:1718 214:721 215:64 216:4893 217:1657 218:565 219:371 220:1204 221:484 222:342 223:146 End of report

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IPv6 Routing Recommendations
by Rob Evans 04 May '11

04 May '11

Hi all, Thanks for the feedback on this following the last revision at the end of February. Attached is what the authors hope will be close to a final version that we can start putting through the machinations to become a RIPE document. The changes include: - Dropping mention of AS-PATHLIMIT - Add mention of NOPEER - Recommending that routes are registered in an IRR or have a ROA. We are only briefly going to discuss this in the WG session this afternoon. Best regards, Rob

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