The Cidr Report
cidr-report at potaroo.net cidr-report at potaroo.net
Sat May 5 00:00:00 CEST 2012
This report has been generated at Fri May 4 21:12:28 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 27-04-12 411252 239358 28-04-12 409883 239786 29-04-12 409974 239790 30-04-12 409910 240936 01-05-12 415235 241036 02-05-12 415226 239890 03-05-12 410389 239955 04-05-12 410788 240155 AS Summary 41002 Number of ASes in routing system 17121 Number of ASes announcing only one prefix 3425 Largest number of prefixes announced by an AS AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc. 112063456 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'). --- 04May12 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 410105 240096 170009 41.5% All ASes AS6389 3425 197 3228 94.2% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS7029 3414 1798 1616 47.3% WINDSTREAM - Windstream Communications Inc AS4766 2506 1031 1475 58.9% KIXS-AS-KR Korea Telecom AS22773 1592 128 1464 92.0% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. AS18566 2092 705 1387 66.3% COVAD - Covad Communications Co. AS28573 1825 492 1333 73.0% NET Servicos de Comunicao S.A. AS4323 1607 385 1222 76.0% TWTC - tw telecom holdings, inc. AS1785 1899 801 1098 57.8% AS-PAETEC-NET - PaeTec Communications, Inc. AS4755 1575 531 1044 66.3% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP AS10620 1854 859 995 53.7% Telmex Colombia S.A. AS7552 1178 217 961 81.6% VIETEL-AS-AP Vietel Corporation AS7303 1371 442 929 67.8% Telecom Argentina S.A. AS26615 904 33 871 96.3% Tim Celular S.A. AS8151 1478 659 819 55.4% Uninet S.A. de C.V. AS18101 947 159 788 83.2% RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI AS4808 1110 350 760 68.5% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS17974 1866 1139 727 39.0% TELKOMNET-AS2-AP PT Telekomunikasi Indonesia AS9394 845 159 686 81.2% CRNET CHINA RAILWAY Internet(CRNET) AS7545 1679 1014 665 39.6% TPG-INTERNET-AP TPG Internet Pty Ltd AS13977 765 121 644 84.2% CTELCO - FAIRPOINT COMMUNICATIONS, INC. AS3356 1098 461 637 58.0% LEVEL3 Level 3 Communications AS30036 1424 789 635 44.6% MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp AS17676 691 75 616 89.1% GIGAINFRA Softbank BB Corp. AS19262 998 402 596 59.7% VZGNI-TRANSIT - Verizon Online LLC AS22561 1000 406 594 59.4% DIGITAL-TELEPORT - Digital Teleport Inc. AS24560 1027 444 583 56.8% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services AS3549 1023 445 578 56.5% GBLX Global Crossing Ltd. AS4780 809 254 555 68.6% SEEDNET Digital United Inc. AS22047 582 31 551 94.7% VTR BANDA ANCHA S.A. AS4804 644 96 548 85.1% MPX-AS Microplex PTY LTD Total 43228 14623 28605 66.2% 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 27.54.144.0/24 AS45774 SPIDIGO-AS-IN Chandra Net Pvt. Limited, India 27.54.151.0/24 AS45774 SPIDIGO-AS-IN Chandra Net Pvt. Limited, India 27.112.114.0/24 AS23884 PROENNET-AS Proimage Engineering and Communication Co.,Ltd. 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 66.171.32.0/20 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 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.49.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.50.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.51.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.52.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.53.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.54.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.55.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.56.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.57.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.58.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.59.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.60.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.61.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.62.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 74.91.63.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC 91.239.0.0/22 AS52165 PDSINET Personal Development Systems International SRL 98.159.96.0/20 AS46975 110.34.44.0/22 AS12653 COMTONET KB Impuls Hellas S.A. 114.134.16.0/20 AS56310 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 120.136.17.0/24 AS38779 BMG-AS-ID Badan Meteorologi dan Geofisika 121.46.0.0/16 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 142.54.0.0/19 AS23498 CDSI - Cogeco Data Services LP 172.45.1.0/24 AS3356 LEVEL3 Level 3 Communications 172.102.0.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 172.223.60.0/22 AS6910 DIALTELECOMRO Dial Telecom S.R.L. 176.115.224.0/20 AS51842 DSCNET DSC.NET SRL 193.0.190.0/24 AS52165 PDSINET Personal Development Systems International SRL 200.1.112.0/24 AS29754 GO2TEL GO2TEL.COM INC. 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. 202.83.120.0/21 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 202.122.134.0/24 AS38615 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 203.160.160.0/19 AS18233 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 209.148.64.0/19 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 216.12.160.0/20 AS26627 AS-PILOSOFT - Pilosoft, Inc. 216.21.160.0/20 AS27876 American Data Networks 216.194.160.0/20 AS27876 American Data Networks 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