BGP Update Report Interval: 11-Feb-10 -to- 18-Feb-10 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS18170 89373 7.0% 4062.4 -- CHANGWON-AS-KR Changwon National University 2 - AS31055 19699 1.5% 4924.8 -- CONSULTIX-AS Consultix GmbH 3 - AS7738 14391 1.1% 30.2 -- Telecomunicacoes da Bahia S.A. 4 - AS3300 13892 1.1% 66.5 -- BT-INFONET-EUROPE BT-Infonet-Europe 5 - AS14420 12476 1.0% 32.0 -- CORPORACION NACIONAL DE TELECOMUNICACIONES CNT S.A. 6 - AS45408 11584 0.9% 5792.0 -- 7 - AS9583 10657 0.8% 10.4 -- SIFY-AS-IN Sify Limited 8 - AS19318 10518 0.8% 457.3 -- NJIIX-AS-1 - NEW JERSEY INTERNATIONAL INTERNET EXCHANGE LLC 9 - AS9498 8632 0.7% 12.9 -- BBIL-AP BHARTI Airtel Ltd. 10 - AS9829 8616 0.7% 10.3 -- BSNL-NIB National Internet Backbone 11 - AS35805 8417 0.7% 14.7 -- UTG-AS United Telecom AS 12 - AS16569 8258 0.7% 4129.0 -- ASN-CITY-OF-CALGARY - City of Calgary 13 - AS28878 8004 0.6% 667.0 -- SIGNET-AS Signet B.V. 14 - AS11311 7284 0.6% 78.3 -- Sinectis S.A. 15 - AS9430 7249 0.6% 233.8 -- STPI-NOIDA Software Technology Parks of India,Block-IV 16 - AS26025 7053 0.6% 3526.5 -- COC - City of Calgary 17 - AS8452 7009 0.6% 6.8 -- TEDATA TEDATA 18 - AS5800 6663 0.5% 26.0 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 19 - AS24560 6289 0.5% 7.4 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 20 - AS8551 6110 0.5% 15.4 -- BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS45408 11584 0.9% 5792.0 -- 2 - AS31055 19699 1.5% 4924.8 -- CONSULTIX-AS Consultix GmbH 3 - AS16569 8258 0.7% 4129.0 -- ASN-CITY-OF-CALGARY - City of Calgary 4 - AS18170 89373 7.0% 4062.4 -- CHANGWON-AS-KR Changwon National University 5 - AS26025 7053 0.6% 3526.5 -- COC - City of Calgary 6 - AS27097 5113 0.4% 1022.6 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center 7 - AS28052 839 0.1% 839.0 -- Arte Radiotelevisivo Argentino 8 - AS27245 1504 0.1% 752.0 -- HEIDRICK-CHICAGO - HEIDRICK 9 - AS28878 8004 0.6% 667.0 -- SIGNET-AS Signet B.V. 10 - AS19318 10518 0.8% 457.3 -- NJIIX-AS-1 - NEW JERSEY INTERNATIONAL INTERNET EXCHANGE LLC 11 - AS16812 5615 0.4% 401.1 -- SPACENET-ENT - Spacenet, Inc. 12 - AS18167 1506 0.1% 376.5 -- HCLCOMNET-AS-IN HCL Comnet Systems & Services Ltd 13 - AS45960 333 0.0% 333.0 -- YTLCOMMS-AS-AP YTL COMMUNICATIONS SDN BHD 14 - AS14670 1322 0.1% 330.5 -- SOLAR-VPS - Solar VPS 15 - AS20524 757 0.1% 252.3 -- MVH Bit Conection Soft Computers S.R.L. 16 - AS50469 251 0.0% 251.0 -- HESSENKOM-DE HessenKom GmbH & Co KG 17 - AS24471 1756 0.1% 250.9 -- GLOBAL-UST-AS-IN USsoftware P Ltd. 18 - AS9430 7249 0.6% 233.8 -- STPI-NOIDA Software Technology Parks of India,Block-IV 19 - AS8668 1566 0.1% 223.7 -- TELONE-AS TelOne Zimbabwe P/L 20 - AS27027 425 0.0% 212.5 -- ANBELL ASN-ANBELL TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 62.168.199.0/24 19689 1.4% AS31055 -- CONSULTIX-AS Consultix GmbH 2 - 208.98.230.0/24 8257 0.6% AS16569 -- ASN-CITY-OF-CALGARY - City of Calgary 3 - 208.98.231.0/24 7052 0.5% AS26025 -- COC - City of Calgary 4 - 114.70.96.0/24 5792 0.4% AS45408 -- 5 - 114.70.97.0/24 5792 0.4% AS45408 -- 6 - 193.177.160.0/23 5672 0.4% AS28878 -- SIGNET-AS Signet B.V. 7 - 118.39.130.0/24 5294 0.4% AS18170 -- CHANGWON-AS-KR Changwon National University 8 - 118.39.128.0/24 5294 0.4% AS18170 -- CHANGWON-AS-KR Changwon National University 9 - 203.246.0.0/24 5294 0.4% AS18170 -- CHANGWON-AS-KR Changwon National University 10 - 59.22.142.0/24 5294 0.4% AS18170 -- CHANGWON-AS-KR Changwon National University 11 - 203.246.23.0/24 5294 0.4% AS18170 -- CHANGWON-AS-KR Changwon National University 12 - 118.39.129.0/24 5294 0.4% AS18170 -- CHANGWON-AS-KR Changwon National University 13 - 118.39.131.0/24 5294 0.4% AS18170 -- CHANGWON-AS-KR Changwon National University 14 - 118.39.132.0/24 5294 0.4% AS18170 -- CHANGWON-AS-KR Changwon National University 15 - 62.193.80.0/24 5279 0.4% AS5536 -- Internet-Egypt 16 - 203.246.0.0/19 5224 0.4% AS18170 -- CHANGWON-AS-KR Changwon National University 17 - 220.84.77.0/24 5224 0.4% AS18170 -- CHANGWON-AS-KR Changwon National University 18 - 220.68.48.0/21 5224 0.4% AS18170 -- CHANGWON-AS-KR Changwon National University 19 - 221.164.52.0/23 5224 0.4% AS18170 -- CHANGWON-AS-KR Changwon National University 20 - 59.22.138.0/23 5224 0.4% AS18170 -- CHANGWON-AS-KR Changwon National University Details at http://bgpupdates.potaroo.net ------------------------------------ Copies of this report are mailed to: nanog@merit.edu eof-list@ripe.net apops@apops.net routing-wg@ripe.net afnog@afnog.org