The Cidr Report
cidr-report at potaroo.net cidr-report at potaroo.net
Fri Mar 16 23:00:00 CET 2012
This report has been generated at Fri Mar 16 21:13:00 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 09-03-12 402647 233826 10-03-12 403162 233741 11-03-12 402883 233818 12-03-12 402926 233844 13-03-12 403415 233943 14-03-12 403852 234198 15-03-12 403734 234609 16-03-12 403663 234447 AS Summary 40494 Number of ASes in routing system 16931 Number of ASes announcing only one prefix 3402 Largest number of prefixes announced by an AS AS7029 : WINDSTREAM - Windstream Communications Inc 111321632 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'). --- 16Mar12 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 404191 234511 169680 42.0% All ASes AS6389 3375 201 3174 94.0% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS7029 3402 1864 1538 45.2% WINDSTREAM - Windstream Communications Inc AS4766 2498 1017 1481 59.3% KIXS-AS-KR Korea Telecom AS22773 1547 120 1427 92.2% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. AS2118 1427 14 1413 99.0% RELCOM-AS OOO "NPO Relcom" AS18566 2091 703 1388 66.4% COVAD - Covad Communications Co. AS28573 1721 477 1244 72.3% NET Servicos de Comunicao S.A. AS4323 1604 384 1220 76.1% TWTC - tw telecom holdings, inc. AS4755 1568 416 1152 73.5% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP AS1785 1885 800 1085 57.6% AS-PAETEC-NET - PaeTec Communications, Inc. AS10620 1792 787 1005 56.1% Telmex Colombia S.A. AS8402 1718 739 979 57.0% CORBINA-AS OJSC "Vimpelcom" AS7552 1162 195 967 83.2% VIETEL-AS-AP Vietel Corporation AS7303 1331 440 891 66.9% Telecom Argentina S.A. AS26615 900 30 870 96.7% Tim Celular S.A. AS8151 1484 687 797 53.7% Uninet S.A. de C.V. AS18101 949 164 785 82.7% RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI AS4808 1095 343 752 68.7% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS9498 917 230 687 74.9% BBIL-AP BHARTI Airtel Ltd. AS9394 885 208 677 76.5% CRNET CHINA RAILWAY Internet(CRNET) AS7545 1652 993 659 39.9% TPG-INTERNET-AP TPG Internet Pty Ltd AS24560 1012 363 649 64.1% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services AS17974 1744 1100 644 36.9% TELKOMNET-AS2-AP PT Telekomunikasi Indonesia AS3356 1092 452 640 58.6% LEVEL3 Level 3 Communications AS30036 1396 776 620 44.4% MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp AS17676 685 75 610 89.1% GIGAINFRA Softbank BB Corp. AS19262 996 401 595 59.7% VZGNI-TRANSIT - Verizon Online LLC AS15557 1089 501 588 54.0% LDCOMNET Societe Francaise du Radiotelephone S.A AS3549 998 432 566 56.7% GBLX Global Crossing Ltd. AS22561 966 401 565 58.5% DIGITAL-TELEPORT - Digital Teleport Inc. Total 44981 15313 29668 66.0% 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. 37.157.240.0/21 AS35662 REDSTATION Redstation Limited 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 98.159.96.0/20 AS46975 109.233.240.0/21 AS50400 EST-ASN Elite System Technics LTD. 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 131.117.216.0/21 AS19667 HOSTEROV-AS OOO "Hosterov" 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) 172.223.60.0/22 AS6910 DIALTELECOMRO Dial Telecom S.R.L. 195.93.199.0/24 AS8708 RDSNET RCS & RDS S.A. 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 200.23.84.0/24 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 202.83.124.0/24 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 202.122.134.0/24 AS38615 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 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