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[routing-wg] The Cidr Report
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cidr-report at potaroo.net
cidr-report at potaroo.net
Fri Nov 25 23:00:00 CET 2011
This report has been generated at Fri Nov 25 21:12:35 2011 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 18-11-11 384382 225289 19-11-11 384737 225361 20-11-11 384631 225219 21-11-11 384703 225139 22-11-11 384864 225632 23-11-11 385042 225870 24-11-11 384967 226037 25-11-11 385336 226282 AS Summary 39470 Number of ASes in routing system 16606 Number of ASes announcing only one prefix 3479 Largest number of prefixes announced by an AS AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc. 108833792 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'). --- 25Nov11 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 385375 226321 159054 41.3% All ASes AS6389 3479 220 3259 93.7% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS18566 2093 406 1687 80.6% COVAD - Covad Communications Co. AS4766 2520 996 1524 60.5% KIXS-AS-KR Korea Telecom AS7029 2950 1495 1455 49.3% WINDSTREAM - Windstream Communications Inc AS22773 1502 113 1389 92.5% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. AS4755 1510 242 1268 84.0% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP AS4323 1614 391 1223 75.8% TWTC - tw telecom holdings, inc. AS28573 1515 383 1132 74.7% NET Servicos de Comunicao S.A. AS1785 1852 781 1071 57.8% AS-PAETEC-NET - PaeTec Communications, Inc. AS19262 1387 401 986 71.1% VZGNI-TRANSIT - Verizon Online LLC AS7552 1383 412 971 70.2% VIETEL-AS-AP Vietel Corporation AS10620 1700 737 963 56.6% Telmex Colombia S.A. AS7303 1238 360 878 70.9% Telecom Argentina S.A. AS18101 954 150 804 84.3% RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI AS8151 1451 675 776 53.5% Uninet S.A. de C.V. AS30036 1440 682 758 52.6% MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp AS4808 1081 342 739 68.4% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS7545 1625 946 679 41.8% TPG-INTERNET-AP TPG Internet Pty Ltd AS17974 1635 960 675 41.3% TELKOMNET-AS2-AP PT Telekomunikasi Indonesia AS8402 1567 893 674 43.0% CORBINA-AS OJSC "Vimpelcom" AS3356 1106 457 649 58.7% LEVEL3 Level 3 Communications AS24560 966 351 615 63.7% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services AS17676 671 71 600 89.4% GIGAINFRA Softbank BB Corp. AS20115 1600 1026 574 35.9% CHARTER-NET-HKY-NC - Charter Communications AS4804 660 95 565 85.6% MPX-AS Microplex PTY LTD AS22561 931 376 555 59.6% DIGITAL-TELEPORT - Digital Teleport Inc. AS22047 581 33 548 94.3% VTR BANDA ANCHA S.A. AS3549 955 421 534 55.9% GBLX Global Crossing Ltd. AS17488 928 402 526 56.7% HATHWAY-NET-AP Hathway IP Over Cable Internet AS7011 1167 645 522 44.7% FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc. Total 44061 15462 28599 64.9% 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- 41.222.79.0/24 AS37345 MEDALLION 41.223.92.0/22 AS36936 CELTEL-GABON Celtel Gabon Internet Service 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 66.171.32.0/20 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 69.6.80.0/24 AS13442 71.19.134.0/23 AS3313 INET-AS BT Italia S.p.A. 80.88.10.0/24 AS33774 DJAWEB 110.34.44.0/22 AS12653 COMTONET KB Impuls Hellas 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. 164.215.112.0/20 AS30764 PODA-AS PODA s.r.o. 172.45.1.0/24 AS29571 CITelecom-AS 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) 176.221.16.0/20 AS39308 ASK-AS Andishe Sabz Khazar Autonomous System 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 200.24.78.0/26 AS3549 GBLX Global Crossing Ltd. 200.24.78.64/26 AS3549 GBLX Global Crossing Ltd. 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 202.94.1.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.133.70.0/24 AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited 202.160.152.0/22 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 202.179.131.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited 202.179.134.0/24 AS23966 LDN-AS-PK LINKdotNET Telecom Limited 202.179.144.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company 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 203.175.107.0/24 AS45595 PKTELECOM-AS-PK Pakistan Telecom Company Limited 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. 205.207.148.0/23 AS812 ROGERS-CABLE - Rogers Cable Communications Inc. 206.123.129.0/24 AS10790 INREACH-AS - InReach Internet 206.180.240.0/20 AS12083 KNOLOGY-NET - Knology Holdings 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. 208.64.240.0/21 AS13871 TELEBYTE-NW - Telebyte NW 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 210.56.150.0/23 AS38138 INTECH-TRANSIT-BD InTech Online Limited, INTERNET SERVICE LIMITED 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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