The Cidr Report
cidr-report at potaroo.net cidr-report at potaroo.net
Sat Oct 6 00:00:00 CEST 2012
This report has been generated at Fri Oct 5 21:13:06 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 28-09-12 429749 247874 29-09-12 429958 247623 30-09-12 429216 247986 01-10-12 430035 248087 02-10-12 430234 248325 03-10-12 430565 247715 04-10-12 430285 248175 05-10-12 429926 248696 AS Summary 42380 Number of ASes in routing system 17639 Number of ASes announcing only one prefix 3230 Largest number of prefixes announced by an AS AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc. 113836256 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'). --- 05Oct12 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 430282 248659 181623 42.2% All ASes AS6389 3230 175 3055 94.6% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS28573 2125 59 2066 97.2% NET Servicos de Comunicao S.A. AS4766 2977 943 2034 68.3% KIXS-AS-KR Korea Telecom AS17974 2362 616 1746 73.9% TELKOMNET-AS2-AP PT Telekomunikasi Indonesia AS7029 3164 1479 1685 53.3% WINDSTREAM - Windstream Communications Inc AS18566 2084 423 1661 79.7% COVAD - Covad Communications Co. AS22773 1903 292 1611 84.7% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. AS10620 2200 814 1386 63.0% Telmex Colombia S.A. AS2118 1399 97 1302 93.1% RELCOM-AS OOO "NPO Relcom" AS4323 1581 393 1188 75.1% TWTC - tw telecom holdings, inc. AS7303 1566 452 1114 71.1% Telecom Argentina S.A. AS1785 1927 826 1101 57.1% AS-PAETEC-NET - PaeTec Communications, Inc. AS4755 1626 553 1073 66.0% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP AS7552 1120 168 952 85.0% VIETEL-AS-AP Vietel Corporation AS8151 1600 707 893 55.8% Uninet S.A. de C.V. AS18101 1014 172 842 83.0% RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI AS4808 1122 350 772 68.8% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS13977 859 120 739 86.0% CTELCO - FAIRPOINT COMMUNICATIONS, INC. AS855 695 54 641 92.2% CANET-ASN-4 - Bell Aliant Regional Communications, Inc. AS3356 1104 477 627 56.8% LEVEL3 Level 3 Communications AS17676 713 88 625 87.7% GIGAINFRA Softbank BB Corp. AS36998 772 148 624 80.8% SDN-MOBITEL AS7545 1765 1153 612 34.7% TPG-INTERNET-AP TPG Internet Pty Ltd AS22561 1038 428 610 58.8% DIGITAL-TELEPORT - Digital Teleport Inc. AS3549 1033 435 598 57.9% GBLX Global Crossing Ltd. AS19262 1000 409 591 59.1% VZGNI-TRANSIT - Verizon Online LLC AS24560 1034 444 590 57.1% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services AS4780 843 269 574 68.1% SEEDNET Digital United Inc. AS4804 652 97 555 85.1% MPX-AS Microplex PTY LTD AS22047 580 34 546 94.1% VTR BANDA ANCHA S.A. Total 45088 12675 32413 71.9% 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. 41.220.80.0/24 AS38925 DAC-AS G.I.T. TELECOM LIMITED 41.220.81.0/24 AS38925 DAC-AS G.I.T. TELECOM LIMITED 41.220.94.0/23 AS42235 IDC-AS Intra Data Communication 41.222.80.0/21 AS37110 moztel-as 62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV 62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV 64.66.32.0/20 AS18864 64.187.208.0/24 AS174 COGENT Cogent/PSI 64.187.209.0/24 AS23005 SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC 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 70.34.112.0/20 AS27589 MOJOHOST - MOJOHOST 71.19.134.0/23 AS3313 INET-AS BT Italia S.p.A. 72.35.224.0/22 AS30097 NUWAVE - NuWave 72.35.229.0/24 AS30188 TELEVERGENCE - Televergence Solutions Inc. 72.35.232.0/21 AS30097 NUWAVE - NuWave 72.44.16.0/20 AS15054 NORTHEAST-TEXAS-BROADBAND-LLC - Northeast Texas Broadband, 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 74.115.124.0/23 AS46540 74.115.126.0/24 AS11260 EASTLINK-HSI - EastLink 81.22.64.0/20 AS5511 OPENTRANSIT France Telecom S.A. 82.101.160.0/19 AS5511 OPENTRANSIT France Telecom S.A. 100.100.0.0/24 AS4847 CNIX-AP China Networks Inter-Exchange 102.2.88.0/22 AS38456 PACTEL-AS-AP Pacific Teleports. 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 LP 172.102.0.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 172.116.0.0/24 AS7018 ATT-INTERNET4 - AT&T Services, Inc. 172.120.16.0/21 AS19891 BML-AS Bill Me Later, Inc 192.0.0.0/24 AS14745 INTERNAP-BLOCK-4 - Internap Network Services Corporation 198.18.0.0/15 AS14745 INTERNAP-BLOCK-4 - Internap Network Services Corporation 198.51.100.0/24 AS14745 INTERNAP-BLOCK-4 - Internap Network Services Corporation 200.6.49.0/24 AS23148 TERREMARK Terremark 200.53.0.0/19 AS13878 Diveo do Brasil Telecomunicacoes Ltda 200.58.248.0/21 AS27849 200.75.184.0/24 AS52390 Administradora de Redes, S.A. 200.75.185.0/24 AS52390 Administradora de Redes, S.A. 200.75.186.0/23 AS52390 Administradora de Redes, S.A. 200.75.188.0/22 AS52390 Administradora de Redes, S.A. 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. 202.58.113.0/24 AS19161 202.65.96.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) Limited 202.73.240.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) Limited 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 202.174.125.0/24 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 203.0.113.0/24 AS14745 INTERNAP-BLOCK-4 - Internap Network Services Corporation 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 204.9.116.0/22 AS30097 NUWAVE - NuWave 204.10.88.0/21 AS3356 LEVEL3 Level 3 Communications 204.10.92.0/23 AS30097 NUWAVE - NuWave 204.10.94.0/23 AS30097 NUWAVE - NuWave 205.175.214.0/24 AS5583 ORANGE-BUSINESS-SERVICES-BENELUX France Telecom S.A. 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 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 213.150.204.0/24 AS29338 AFOL-AS Used by Africaonline Operations 216.12.160.0/20 AS26627 AS-PILOSOFT - Pilosoft, Inc. 216.21.160.0/20 AS27876 American Data Networks 216.146.0.0/19 AS11915 TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC 216.194.160.0/20 AS27876 American Data Networks 216.234.128.0/22 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC. 216.234.132.0/24 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC. 216.234.139.0/24 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC. 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