This report has been generated at Fri Dec 7 21:13:50 2007 AEST. The report analyses the BGP Routing Table of AS2.0 router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org for a current version of this report. Recent Table History Date Prefixes CIDR Agg 30-11-07 245357 161051 01-12-07 245652 161180 02-12-07 245249 161306 03-12-07 245521 161232 04-12-07 245305 161536 05-12-07 245493 155252 06-12-07 243093 155449 07-12-07 245371 156129 AS Summary 26932 Number of ASes in routing system 11368 Number of ASes announcing only one prefix 1966 Largest number of prefixes announced by an AS AS4538 : ERX-CERNET-BKB China Education and Research Network Center 89092608 Largest address span announced by an AS (/32s) AS721 : 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'). --- 07Dec07 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 245580 156175 89405 36.4% All ASes AS4538 1966 721 1245 63.3% ERX-CERNET-BKB China Education and Research Network Center AS4755 1490 312 1178 79.1% VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System AS18566 1034 33 1001 96.8% AS4323 1379 379 1000 72.5% AS9498 1060 69 991 93.5% BBIL-AP BHARTI BT INTERNET LTD. AS22773 819 76 743 90.7% AS8151 1156 433 723 62.5% AS11492 1172 453 719 61.3% AS6478 1118 413 705 63.1% AS4134 1041 381 660 63.4% CHINANET-BACKBONE No.31,Jin-rong Street AS17488 917 274 643 70.1% HATHWAY-NET-AP Hathway IP Over Cable Internet AS19262 800 188 612 76.5% AS15270 608 41 567 93.3% AS18101 610 77 533 87.4% RIL-IDC Reliance Infocom Ltd Internet Data Centre, AS2386 1323 801 522 39.5% AS19916 569 76 493 86.6% AS7018 1512 1020 492 32.5% AS6197 1032 542 490 47.5% AS7545 670 198 472 70.4% TPG-INTERNET-AP TPG Internet Pty Ltd AS6517 595 142 453 76.1% AS4812 515 91 424 82.3% CHINANET-SH-AP China Telecom (Group) AS7011 992 578 414 41.7% AS17676 504 90 414 82.1% GIGAINFRA BB TECHNOLOGY Corp. AS3356 840 429 411 48.9% LEVEL3 Level 3 Communications AS5668 657 272 385 58.6% AS4808 518 144 374 72.2% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS9443 450 76 374 83.1% INTERNETPRIMUS-AS-AP Primus Telecommunications AS4668 519 169 350 67.4% LGNET-AS-KR LG CNS AS855 550 216 334 60.7% AS16814 427 94 333 78.0% Total 26843 8788 18055 67.3% Top 30 total Possible Bogus Routes 24.48.0.0/13 AS19548 24.48.10.0/23 AS19548 24.48.12.0/22 AS19548 24.48.80.0/21 AS19548 24.54.224.0/19 AS20001 24.105.32.0/20 AS11427 24.212.80.0/20 AS35911 24.246.0.0/17 AS7018 24.246.128.0/18 AS7018 31.31.31.0/24 AS9730 BHARTITELESONIC-AS-IN-AP Bharti Telesonic Ltd 60.253.0.0/18 AS27572 60.253.64.0/19 AS27572 62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV - Wireless Broadband via Satellite 62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV - Wireless Broadband via Satellite 63.140.213.0/24 AS22555 63.140.238.0/24 AS20471 63.141.42.0/24 AS701 63.143.71.0/24 AS701 63.143.115.0/24 AS701 63.248.0.0/16 AS3356 LEVEL3 Level 3 Communications 63.248.0.0/17 AS3356 LEVEL3 Level 3 Communications 64.6.216.0/21 AS19783 64.7.112.0/21 AS6453 GLOBEINTERNET Teleglobe America Inc. 64.7.120.0/21 AS6453 GLOBEINTERNET Teleglobe America Inc. 64.17.32.0/24 AS13488 64.17.33.0/24 AS13488 64.17.37.0/24 AS13488 64.46.96.0/20 AS13680 AS13680 Hostway Corporation Tampa, FL 64.46.112.0/20 AS30217 DESYNC Desync Corporation 64.50.128.0/18 AS4565 64.144.0.0/15 AS4565 64.188.0.0/16 AS3356 LEVEL3 Level 3 Communications 64.247.0.0/18 AS8001 64.247.6.0/23 AS29791 65.36.8.0/24 AS5696 65.36.9.0/24 AS5696 65.36.33.0/24 AS5696 65.36.52.0/24 AS701 65.44.0.0/14 AS2828 65.44.86.0/24 AS23111 65.44.103.0/24 AS31902 65.44.117.0/24 AS40510 65.44.121.0/24 AS22591 65.44.169.0/24 AS2828 65.44.171.0/24 AS2828 65.44.172.0/24 AS2828 65.44.175.0/24 AS2828 65.44.181.0/24 AS11638 66.6.34.0/24 AS14935 66.11.32.0/20 AS6261 66.11.40.0/21 AS6261 66.54.91.0/24 AS30506 66.55.160.0/19 AS29994 66.64.96.0/20 AS3790 66.103.104.0/21 AS7132 66.180.239.0/24 AS35888 66.206.32.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.33.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.34.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.35.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.40.0/22 AS174 COGENT Cogent/PSI 66.206.44.0/23 AS174 COGENT Cogent/PSI 66.206.47.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 66.207.32.0/20 AS23011 66.241.96.0/21 AS10271 67.20.0.0/14 AS19548 67.61.254.0/24 AS11492 68.64.0.0/13 AS19548 68.67.124.0/22 AS19548 68.168.0.0/14 AS19548 68.169.21.0/24 AS11351 68.171.12.0/22 AS19548 68.232.0.0/14 AS19548 69.55.108.0/24 AS4977 69.71.192.0/20 AS13818 69.160.0.0/12 AS19548 69.168.0.0/14 AS19548 69.169.0.0/17 AS20001 69.172.0.0/14 AS19548 70.32.0.0/13 AS19548 70.32.64.0/18 AS20001 70.38.0.0/16 AS19548 70.40.0.0/16 AS19548 72.42.232.0/21 AS14743 91.199.66.0/24 AS9044 SOLNET SolNet Internet Solution Provider 95.192.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 95.255.248.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 128.209.0.0/16 AS4017 132.0.0.0/10 AS721 137.0.0.0/13 AS721 138.136.0.0/13 AS721 151.135.0.0/16 AS4763 TELSTRANZ-AS TelstraClear Ltd 158.0.0.0/13 AS721 159.3.211.0/24 AS2687 ASATTCA AT&T Global Network Services - AP 163.142.0.0/16 AS2500 WIDE-BB WIDE Project 172.14.254.0/24 AS20312 172.15.254.0/24 AS20312 173.173.173.0/24 AS9730 BHARTITELESONIC-AS-IN-AP Bharti Telesonic Ltd 192.0.2.0/24 AS3300 BT-INFONET-EUROPE BT-Infonet-Europe 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.40.105.0/24 AS12582 TSF-DATANET-NGD-AS TSF MPLS VPN Services 192.69.107.0/24 AS5515 TS-FINLAND-DATANET-OLD TS Finland DataNet 192.69.108.0/24 AS5515 TS-FINLAND-DATANET-OLD TS Finland DataNet 192.69.177.0/24 AS5515 TS-FINLAND-DATANET-OLD TS Finland DataNet 192.70.164.0/24 AS25689 192.88.99.0/24 AS16186 ASN-SSC-NO SSC Networks 192.96.36.0/24 AS5713 SAIX-NET 192.96.37.0/24 AS10474 NETACTIVE 192.96.135.0/24 AS2018 TENET-1 192.96.136.0/23 AS2018 TENET-1 192.96.143.0/24 AS2018 TENET-1 192.96.145.0/24 AS2018 TENET-1 192.96.177.0/24 AS6083 POSIX-AFRICA 192.101.45.0/24 AS2905 TICSA-ASN 192.101.46.0/24 AS6503 192.101.47.0/24 AS6503 192.101.64.0/21 AS21775 192.101.67.0/24 AS21775 192.101.70.0/24 AS701 192.101.71.0/24 AS701 192.101.72.0/24 AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe 192.101.73.0/24 AS4765 WORLDNET-AS World Net & Services Co., Ltd. 192.101.74.0/24 AS1239 192.122.212.0/24 AS209 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.131.233.0/24 AS7891 192.133.6.0/24 AS10282 EQUANT-CEEUR EQUANT AS for Central and Eastern Europe region 192.153.144.0/21 AS721 192.172.0.0/19 AS721 192.188.208.0/20 AS721 194.31.227.0/24 AS21461 TRANSFAIRNET Transfair-net GmbH Krefeld 194.246.72.0/23 AS8893 ARTFILES-AS Artfiles New Media GmbH 196.6.108.0/24 AS5713 SAIX-NET 196.10.119.0/24 AS2018 TENET-1 196.10.122.0/23 AS2018 TENET-1 196.10.251.0/24 AS2018 TENET-1 196.10.252.0/23 AS2018 TENET-1 196.10.254.0/24 AS2018 TENET-1 196.13.101.0/24 AS2018 TENET-1 196.13.102.0/23 AS2018 TENET-1 196.13.104.0/24 AS2018 TENET-1 196.13.121.0/24 AS2018 TENET-1 196.13.125.0/24 AS2018 TENET-1 196.13.126.0/24 AS2018 TENET-1 196.13.169.0/24 AS2018 TENET-1 196.13.174.0/23 AS2018 TENET-1 196.13.176.0/21 AS2018 TENET-1 196.13.188.0/22 AS2018 TENET-1 196.13.192.0/22 AS2018 TENET-1 196.13.196.0/24 AS2018 TENET-1 198.23.26.0/24 AS4390 198.49.80.0/23 AS15116 198.54.82.0/24 AS2018 TENET-1 198.54.92.0/24 AS2018 TENET-1 198.54.222.0/24 AS2018 TENET-1 198.97.72.0/21 AS721 198.97.80.0/20 AS721 198.97.96.0/19 AS721 198.97.240.0/20 AS721 198.161.87.0/24 AS6539 198.167.0.0/16 AS7456 198.168.0.0/16 AS701 198.169.0.0/16 AS803 198.180.198.0/24 AS23715 SEOUL-INTGW-GXS-AP Global Exchange Services 199.9.128.0/17 AS668 199.10.0.0/16 AS721 199.114.0.0/21 AS721 199.114.128.0/18 AS721 199.114.130.0/24 AS721 199.114.132.0/24 AS27064 199.114.134.0/24 AS3541 199.114.136.0/24 AS27044 199.114.138.0/24 AS27064 199.114.140.0/24 AS3544 199.114.142.0/24 AS27064 199.114.144.0/24 AS6045 199.114.148.0/24 AS6045 199.114.150.0/24 AS27064 199.114.152.0/24 AS27033 199.114.153.0/24 AS27034 199.114.154.0/24 AS1733 199.114.156.0/24 AS1733 199.114.160.0/24 AS1733 199.121.0.0/16 AS721 199.123.0.0/18 AS721 199.123.16.0/20 AS721 199.123.80.0/21 AS721 199.189.32.0/19 AS7332 199.202.0.0/16 AS701 199.246.116.0/24 AS813 200.61.255.0/24 AS18747 202.45.132.0/22 AS24314 202.58.113.0/24 AS19161 202.73.144.0/20 AS4788 TMNET-AS-AP TM Net, Internet Service Provider 202.86.252.0/22 AS4748 RESOLINK-AS-AP Resources Link Network Limited 202.86.253.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.254.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.255.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.90.33.0/24 AS9830 SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS 202.90.40.0/24 AS9830 SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS 202.90.41.0/24 AS9830 SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS 202.90.42.0/24 AS9830 SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS 202.90.43.0/24 AS9830 SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS 202.90.44.0/24 AS9830 SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS 202.94.70.0/24 AS9837 POWERTEL-AP Powertel Ltd 202.124.195.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.124.207.0/24 AS17911 BRAINPK-AS-AP Brain Telecommunication Ltd. 202.128.109.0/24 AS4802 ASN-IINET iiNet Limited 202.136.254.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.136.255.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.148.32.0/20 AS17495 GATEWAY-AP BROADBAND WIRELESSS INTERNET SERVICE PROVIDER 202.164.100.0/24 AS18101 RIL-IDC Reliance Infocom Ltd Internet Data Centre, 202.174.70.0/24 AS21175 M-LINK M-Link Teleport s.a. 202.174.71.0/24 AS23924 202.174.72.0/22 AS23924 202.182.32.0/22 AS10223 UECOMM-AU Uecomm Ltd 203.12.45.0/24 AS4854 NETSPACE-AS-AP Netspace Online Systems 203.62.0.0/17 AS7575 AARNET-AS-AP Australian Academic and Reasearch Network (AARNet) 203.78.48.0/20 AS9299 IPG-AS-AP Philippine Long Distance Telephone Company 203.89.139.0/24 AS17911 BRAINPK-AS-AP Brain Telecommunication Ltd. 203.111.192.0/20 AS7473 SINGTEL-AS-AP Singapore Telecom 203.112.97.0/24 AS9942 COMINDICO-AP SOUL Converged Communications Australia 203.112.111.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.113.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.114.0/24 AS4802 ASN-IINET iiNet Limited 203.112.116.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.117.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.118.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.119.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.120.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.121.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.127.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.128.128.0/19 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 203.128.128.0/24 AS23849 CNNIC-NET263-AP Beijing Capital-online science development Co.,Ltd. 203.152.136.0/23 AS23649 NEWSKIES-AS-AP New Skies Satellites, Hong Kong Teleport 203.152.138.0/23 AS23649 NEWSKIES-AS-AP New Skies Satellites, Hong Kong Teleport 203.152.142.0/24 AS23649 NEWSKIES-AS-AP New Skies Satellites, Hong Kong Teleport 203.152.143.0/24 AS23649 NEWSKIES-AS-AP New Skies Satellites, Hong Kong Teleport 203.160.110.0/23 AS7643 VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 204.13.140.0/22 AS7270 204.16.120.0/23 AS12077 204.16.122.0/23 AS12077 204.29.196.0/24 AS7018 204.29.197.0/24 AS7018 204.48.58.0/24 AS4323 204.48.60.0/24 AS4323 204.153.68.0/24 AS4017 204.153.71.0/24 AS4017 204.154.125.0/24 AS3952 204.154.126.0/24 AS3952 204.154.127.0/24 AS3952 205.150.0.0/15 AS701 205.167.238.0/24 AS209 205.167.239.0/24 AS209 206.28.176.0/21 AS1273 CW Cable & Wireless 206.55.208.0/20 AS22180 206.72.64.0/20 AS19130 206.162.224.0/19 AS23464 206.180.240.0/20 AS12083 206.220.240.0/24 AS10764 206.220.240.64/26 AS22335 206.220.240.160/30 AS10764 206.220.240.220/32 AS10764 206.220.241.0/24 AS10764 207.98.192.0/24 AS701 207.98.209.0/24 AS701 207.98.223.0/24 AS701 207.189.62.0/23 AS7132 207.204.168.0/24 AS15150 207.204.222.0/24 AS15218 207.204.248.0/24 AS6653 207.231.96.0/19 AS11194 208.64.12.0/22 AS22773 208.118.160.0/19 AS22925 209.54.42.0/24 AS6653 209.54.93.0/24 AS15218 209.54.111.0/24 AS15218 209.54.123.0/24 AS6062 209.54.142.0/24 AS12284 209.54.240.0/21 AS10887 209.105.224.0/19 AS20074 209.140.64.0/20 AS22307 209.140.90.0/24 AS14461 209.140.224.0/21 AS10573 209.140.234.0/24 AS10573 209.140.235.0/24 AS10573 209.140.236.0/24 AS10573 209.140.237.0/24 AS10573 209.140.238.0/24 AS10573 209.140.239.0/24 AS10573 209.141.4.0/24 AS6653 209.141.16.0/21 AS10573 209.141.48.0/22 AS14461 209.141.104.0/24 AS6653 209.207.24.0/24 AS21829 209.207.36.0/24 AS21829 210.5.128.0/20 AS4837 CHINA169-BACKBONE CNCGROUP China169 Backbone 212.121.96.0/19 AS8509 ALTECTELECOMS ALTEC TELECOMS Autonomous System 216.7.139.0/24 AS701 216.37.114.0/23 AS3549 GBLX Global Crossing Ltd. 216.37.120.0/23 AS13377 216.59.0.0/17 AS3356 LEVEL3 Level 3 Communications 216.71.224.0/20 AS14543 216.99.16.0/24 AS6395 216.99.17.0/24 AS6395 216.99.20.0/24 AS6395 216.172.198.0/24 AS15218 216.172.199.0/24 AS15218 216.198.0.0/19 AS6137 216.198.32.0/19 AS7459 216.210.86.0/24 AS577 216.227.128.0/18 AS19548 216.240.240.0/24 AS7018 216.240.241.0/24 AS7018 216.240.242.0/24 AS7018 216.251.203.0/24 AS7132 216.251.205.0/24 AS209 216.251.207.0/24 AS1239 Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog@merit.edu eof-list@ripe.net apops@apops.net routing-wg@ripe.net afnog@afnog.org
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