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[routing-wg] The Cidr Report
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cidr-report at potaroo.net
cidr-report at potaroo.net
Fri Feb 3 23:00:00 CET 2012
This report has been generated at Fri Feb 3 21:12:45 2012 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 27-01-12 396272 229808 28-01-12 395687 230060 29-01-12 396508 229971 30-01-12 396324 229998 31-01-12 396621 229745 01-02-12 396817 230146 02-02-12 397186 229608 03-02-12 397625 230080 AS Summary 40099 Number of ASes in routing system 16816 Number of ASes announcing only one prefix 3445 Largest number of prefixes announced by an AS AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc. 109882880 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'). --- 03Feb12 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 398212 230080 168132 42.2% All ASes AS6389 3445 204 3241 94.1% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS7029 3260 1427 1833 56.2% WINDSTREAM - Windstream Communications Inc AS18566 2093 413 1680 80.3% COVAD - Covad Communications Co. AS4766 2478 1005 1473 59.4% KIXS-AS-KR Korea Telecom AS22773 1499 118 1381 92.1% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. AS4755 1528 197 1331 87.1% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP AS2118 1391 76 1315 94.5% RELCOM-AS OOO "NPO Relcom" AS4323 1610 386 1224 76.0% TWTC - tw telecom holdings, inc. AS28573 1624 407 1217 74.9% NET Servicos de Comunicao S.A. AS1785 1868 789 1079 57.8% AS-PAETEC-NET - PaeTec Communications, Inc. AS7552 1408 363 1045 74.2% VIETEL-AS-AP Vietel Corporation AS19262 1386 401 985 71.1% VZGNI-TRANSIT - Verizon Online LLC AS10620 1735 766 969 55.9% Telmex Colombia S.A. AS8402 1653 726 927 56.1% CORBINA-AS OJSC "Vimpelcom" AS7303 1260 366 894 71.0% Telecom Argentina S.A. AS26615 885 33 852 96.3% Tim Celular S.A. AS8151 1337 550 787 58.9% Uninet S.A. de C.V. AS18101 935 156 779 83.3% RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI AS4808 1102 344 758 68.8% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS24560 1010 299 711 70.4% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services AS30036 1437 753 684 47.6% MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp AS9498 878 206 672 76.5% BBIL-AP BHARTI Airtel Ltd. AS9394 878 210 668 76.1% CRNET CHINA RAILWAY Internet(CRNET) AS7545 1642 998 644 39.2% TPG-INTERNET-AP TPG Internet Pty Ltd AS3356 1098 457 641 58.4% LEVEL3 Level 3 Communications AS17676 687 74 613 89.2% GIGAINFRA Softbank BB Corp. AS17974 1724 1121 603 35.0% TELKOMNET-AS2-AP PT Telekomunikasi Indonesia AS11172 698 113 585 83.8% Alestra, S. de R.L. de C.V. AS15557 1096 511 585 53.4% LDCOMNET Societe Francaise du Radiotelephone S.A AS4804 660 95 565 85.6% MPX-AS Microplex PTY LTD Total 44305 13564 30741 69.4% 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- 14.192.0.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.4.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.8.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.12.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.16.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.20.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.24.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.28.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 37.77.176.0/21 AS16082 SPITFIRE Spitfire Network Services Autonomous System 41.222.79.0/24 AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited 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 66.129.0.0/19 AS3901 ARRAKIS - Higher Technology Services 66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION 66.207.32.0/20 AS23011 66.245.176.0/20 AS19318 NJIIX-AS-1 - NEW JERSEY INTERNATIONAL INTERNET EXCHANGE LLC 66.251.128.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks 66.251.133.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks 66.251.134.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks 66.251.136.0/21 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks 66.251.140.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks 66.251.141.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks 66.251.142.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks 66.251.143.0/24 AS3356 LEVEL3 Level 3 Communications 69.46.224.0/20 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers 69.46.233.0/24 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers 69.46.236.0/24 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers 71.19.134.0/23 AS3313 INET-AS BT Italia S.p.A. 72.44.16.0/20 AS15054 HAMELTRONICS - Hameltronics, LLC 80.88.10.0/24 AS33774 DJAWEB 98.159.96.0/20 AS46975 110.34.44.0/22 AS12653 COMTONET Com-ToNet 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. 172.45.1.0/24 AS3356 LEVEL3 Level 3 Communications 172.45.2.0/24 AS29571 CITelecom-AS 172.45.3.0/24 AS29571 CITelecom-AS 172.102.0.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 190.104.32.0/21 AS27882 Telefónica Celular de Bolivia S.A. 193.0.22.0/23 AS3333 RIPE-NCC-AS RIPE Network Coordination Centre 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 200.23.84.0/24 AS8151 Uninet S.A. de C.V. 200.24.73.0/24 AS26061 Equant Colombia 200.33.40.0/24 AS11172 Alestra, S. de R.L. de C.V. 200.34.0.0/20 AS6342 Instituto Tecnológico y de Estudios Superiores de Monterrey 200.53.0.0/19 AS13878 Diveo do Brasil Telecomunicacoes Ltda 202.1.224.0/24 AS10097 FLOWCOM Flow Communications 2/541 Kent St Sydney NSW 2000 202.8.106.0/24 AS9530 SHINSEGAE-AS SHINSEGAE I&C Co., Ltd. 202.9.55.0/24 AS2764 AAPT AAPT Limited 202.58.113.0/24 AS19161 202.61.75.0/24 AS9927 PHILCOMNET-PH A Multihomed ISP Company 202.83.120.0/21 AS37972 202.83.124.0/24 AS37972 202.83.125.0/24 AS37972 202.83.126.0/24 AS37972 202.86.32.0/20 AS18255 BRISBANE-AP Brisbane City Council 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 202.140.128.0/19 AS9583 SIFY-AS-IN Sify Limited 202.160.152.0/22 AS10113 DATAFAST-AP DATAFAST TELECOMMUNICATIONS LTD 202.174.125.0/24 AS9498 BBIL-AP BHARTI Airtel Ltd. 202.176.1.0/24 AS9942 COMINDICO-AP SOUL Converged Communications Australia 202.179.134.0/24 AS23966 LDN-AS-PK LINKdotNET Telecom Limited 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 203.80.130.0/23 AS9260 MULTINET-PK NSP,ISP,HFC,DSL,DIALUP,Data Network Connectivity solutions, 203.142.219.0/24 AS45149 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 France Telecom S.A. 205.189.0.0/24 AS54372 DROPBOX-CORP - Dropbox, Inc. 206.123.129.0/24 AS10790 INREACH-AS - InReach Internet 206.180.240.0/20 AS12083 KNOLOGY-NET - KNOLOGY, Inc. 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 207.174.200.0/24 AS22658 EARTHNET - Earthnet, Inc. 207.174.248.0/21 AS6653 PRIVATEI - privateI, LLC 207.231.96.0/19 AS11194 NUNETPA - NuNet Inc. 208.83.53.0/24 AS40569 YGOMI-AS - Ygomi LLC 208.91.56.0/21 AS22241 IC2NET - IC2NET 208.91.56.0/24 AS22241 IC2NET - IC2NET 208.91.57.0/24 AS22241 IC2NET - IC2NET 208.91.58.0/24 AS22241 IC2NET - IC2NET 208.91.59.0/24 AS22241 IC2NET - IC2NET 208.91.60.0/24 AS22241 IC2NET - IC2NET 208.91.61.0/24 AS22241 IC2NET - IC2NET 208.91.62.0/24 AS22241 IC2NET - IC2NET 208.91.63.0/24 AS22241 IC2NET - IC2NET 209.133.224.0/19 AS4323 TWTC - tw telecom holdings, inc. 209.148.64.0/19 AS13773 TELNETCOMM - Telnet Communications 209.177.64.0/20 AS6461 MFNX MFN - Metromedia Fiber Network 209.213.0.0/20 AS33005 ELTOPIA - Eltopia.com, LLC 209.222.240.0/22 AS19747 210.56.150.0/23 AS38138 INTECH-TRANSIT-BD InTech Online Limited, INTERNET SERVICE LIMITED 216.12.160.0/20 AS26627 AS-PILOSOFT - Pilosoft, Inc. 216.21.160.0/20 AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport 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 at nanog.org eof-list at ripe.net apops at apops.net routing-wg at ripe.net afnog at afnog.org
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