The Cidr Report
cidr-report at potaroo.net cidr-report at potaroo.net
Fri Mar 2 23:00:00 CET 2012
This report has been generated at Fri Mar 2 21:12:30 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 24-02-12 400967 232766 25-02-12 401256 232615 26-02-12 400880 232702 27-02-12 401089 232839 28-02-12 401234 233250 29-02-12 401725 232960 01-03-12 401754 233143 02-03-12 401923 232793 AS Summary 40368 Number of ASes in routing system 16903 Number of ASes announcing only one prefix 3459 Largest number of prefixes announced by an AS AS7029 : WINDSTREAM - Windstream Communications Inc 111264288 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'). --- 02Mar12 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 402050 232755 169295 42.1% All ASes AS6389 3419 201 3218 94.1% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS7029 3459 1728 1731 50.0% WINDSTREAM - Windstream Communications Inc AS4766 2490 1011 1479 59.4% KIXS-AS-KR Korea Telecom AS22773 1538 119 1419 92.3% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. AS2118 1421 14 1407 99.0% RELCOM-AS OOO "NPO Relcom" AS18566 2090 702 1388 66.4% COVAD - Covad Communications Co. AS4323 1612 386 1226 76.1% TWTC - tw telecom holdings, inc. AS28573 1672 458 1214 72.6% NET Servicos de Comunicao S.A. AS4755 1559 397 1162 74.5% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP AS1785 1880 800 1080 57.4% AS-PAETEC-NET - PaeTec Communications, Inc. AS19262 1389 399 990 71.3% VZGNI-TRANSIT - Verizon Online LLC AS10620 1758 788 970 55.2% Telmex Colombia S.A. AS7303 1328 398 930 70.0% Telecom Argentina S.A. AS7552 1154 224 930 80.6% VIETEL-AS-AP Vietel Corporation AS8402 1780 877 903 50.7% CORBINA-AS OJSC "Vimpelcom" AS26615 881 33 848 96.3% Tim Celular S.A. AS8151 1486 672 814 54.8% Uninet S.A. de C.V. AS4808 1146 343 803 70.1% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS18101 950 158 792 83.4% RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI AS7545 1648 928 720 43.7% TPG-INTERNET-AP TPG Internet Pty Ltd AS9498 898 212 686 76.4% BBIL-AP BHARTI Airtel Ltd. AS24560 1012 334 678 67.0% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services AS9394 884 208 676 76.5% CRNET CHINA RAILWAY Internet(CRNET) AS3356 1098 456 642 58.5% LEVEL3 Level 3 Communications AS17974 1732 1100 632 36.5% TELKOMNET-AS2-AP PT Telekomunikasi Indonesia AS17676 686 75 611 89.1% GIGAINFRA Softbank BB Corp. AS15557 1088 505 583 53.6% LDCOMNET Societe Francaise du Radiotelephone S.A AS30036 1316 747 569 43.2% MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp AS3549 994 431 563 56.6% GBLX Global Crossing Ltd. AS4780 781 232 549 70.3% SEEDNET Digital United Inc. Total 45149 14936 30213 66.9% 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- 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 27.112.114.0/24 AS23884 PROENNET-AS Proimage Engineering and Communication Co.,Ltd. 37.143.88.0/21 AS8343 DORIS-AS Private joint-stock company (PrJSC) DORIS 37.143.120.0/21 AS174 COGENT Cogent/PSI 37.143.192.0/18 AS43205 BULSATCOM-BG-AS Bulsatcom AD 37.144.0.0/14 AS8402 CORBINA-AS OJSC "Vimpelcom" 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 66.129.0.0/19 AS3901 ARRAKIS - Higher Technology Services 66.171.32.0/20 AS705 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 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 74.91.48.0/24 AS14208 74.91.49.0/24 AS14208 74.91.50.0/24 AS14208 74.91.51.0/24 AS14208 74.91.52.0/24 AS14208 74.91.53.0/24 AS14208 74.91.54.0/24 AS14208 74.91.55.0/24 AS14208 74.91.56.0/24 AS14208 74.91.57.0/24 AS14208 74.91.58.0/24 AS14208 74.91.59.0/24 AS14208 74.91.60.0/24 AS14208 74.91.61.0/24 AS14208 74.91.62.0/24 AS14208 74.91.63.0/24 AS14208 91.236.115.0/24 AS57172 GLOBALLAYER Global Layer B.V. 98.159.96.0/20 AS46975 110.34.44.0/22 AS12653 COMTONET KB Impuls Hellas S.A. 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. 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. 202.20.108.0/23 AS17885 JKTXLNET-AS-AP PT Excelcomindo Pratama 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 EFTEL-AS-AP Eftel Limited. 202.174.125.0/24 AS9498 BBIL-AP BHARTI Airtel Ltd. 202.176.1.0/24 AS9942 COMINDICO-AP SOUL Converged Communications Australia 202.179.134.0/24 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 203.142.219.0/24 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. 206.123.129.0/24 AS10790 INREACH-AS - InReach Internet 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