BGP Update Report Interval: 21-Apr-11 -to- 28-Apr-11 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS19743 32039 1.6% 4577.0 -- 2 - AS9829 21443 1.1% 21.3 -- BSNL-NIB National Internet Backbone 3 - AS17974 18475 0.9% 10.1 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 4 - AS27738 17261 0.9% 50.9 -- Ecuadortelecom S.A. 5 - AS32528 17148 0.9% 2143.5 -- ABBOTT Abbot Labs 6 - AS11492 16263 0.8% 12.8 -- CABLEONE - CABLE ONE, INC. 7 - AS7633 15307 0.8% 75.4 -- SOFTNET-AS-AP Software Technology Parks of India - Bangalore 8 - AS44609 12851 0.7% 4283.7 -- FNA Fars News Agency Cultural Arts Institute 9 - AS11992 12773 0.7% 28.8 -- CENTENNIAL-PR - Centennial de Puerto Rico 10 - AS6389 12491 0.6% 3.4 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 11 - AS14420 12464 0.6% 18.7 -- CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP 12 - AS9498 12311 0.6% 15.3 -- BBIL-AP BHARTI Airtel Ltd. 13 - AS7552 12111 0.6% 9.8 -- VIETEL-AS-AP Vietel Corporation 14 - AS35931 12078 0.6% 2013.0 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 15 - AS45595 10417 0.5% 28.8 -- PKTELECOM-AS-PK Pakistan Telecom Company Limited 16 - AS7545 10168 0.5% 11.6 -- TPG-INTERNET-AP TPG Internet Pty Ltd 17 - AS4323 9856 0.5% 3.7 -- TWTC - tw telecom holdings, inc. 18 - AS28573 9549 0.5% 7.3 -- NET Servicos de Comunicao S.A. 19 - AS5800 9478 0.5% 50.7 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 20 - AS24560 9088 0.5% 7.8 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS19743 32039 1.6% 4577.0 -- 2 - AS44609 12851 0.7% 4283.7 -- FNA Fars News Agency Cultural Arts Institute 3 - AS32528 17148 0.9% 2143.5 -- ABBOTT Abbot Labs 4 - AS35931 12078 0.6% 2013.0 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 5 - AS49600 1355 0.1% 1355.0 -- LASEDA La Seda de Barcelona, S.A 6 - AS9270 2989 0.1% 597.8 -- APAN-KR-AS Asia Pacific Advanced Network Korea(APAN-KR) Consortium 7 - AS23364 597 0.0% 597.0 -- SECOTOOLS-US - Seco Tools Inc. 8 - AS12732 2169 0.1% 542.2 -- GUTCON-NET GutCon GmbH 9 - AS3 385 0.0% 735.0 -- NETCKRACKER-AS NETCKRACKER Ltd 10 - AS18704 3755 0.2% 375.5 -- T-SYSTEM - T-SYSTEMS INC. 11 - AS5966 375 0.0% 375.0 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 12 - AS23310 697 0.0% 348.5 -- TASTYLIME - TASTY LIME 13 - AS48349 306 0.0% 306.0 -- SICE-IT-AS JSC "Siberian Interbank Currency Exchange - Information Technologies" 14 - AS24801 902 0.1% 300.7 -- monarch 15 - AS722 2675 0.1% 297.2 -- DNIC-ASBLK-00721-00726 - DoD Network Information Center 16 - AS9476 294 0.0% 294.0 -- INTRAPOWER-AS-AP IntraPower Pty. Ltd. 17 - AS38757 512 0.0% 256.0 -- ICONPLN-ID-AP PT. Indonesia Comnets Plus 18 - AS50324 250 0.0% 250.0 -- ORCO-GSG GSG Asset GmbH & Co. Verwaltungs KG 19 - AS56453 245 0.0% 245.0 -- SMA Panajotis Tolatzis trading as "Secure Media Associates" 20 - AS33362 2929 0.1% 244.1 -- WIKTEL-NET - Wikstrom Telephone Company, Incorporated TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 130.36.35.0/24 8563 0.4% AS32528 -- ABBOTT Abbot Labs 2 - 130.36.34.0/24 8560 0.4% AS32528 -- ABBOTT Abbot Labs 3 - 202.92.235.0/24 8006 0.3% AS9498 -- BBIL-AP BHARTI Airtel Ltd. 4 - 63.211.68.0/22 7021 0.3% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 5 - 203.190.151.0/24 6980 0.3% AS7633 -- SOFTNET-AS-AP Software Technology Parks of India - Bangalore 6 - 203.129.236.0/24 6478 0.3% AS7633 -- SOFTNET-AS-AP Software Technology Parks of India - Bangalore 7 - 178.22.79.0/24 6431 0.3% AS44609 -- FNA Fars News Agency Cultural Arts Institute 8 - 178.22.72.0/21 6403 0.3% AS44609 -- FNA Fars News Agency Cultural Arts Institute 9 - 65.122.196.0/24 6331 0.3% AS19743 -- 10 - 221.121.96.0/19 6041 0.3% AS7491 -- PI-PH-AS-AP PI-PHILIPINES 11 - 65.162.204.0/24 5143 0.2% AS19743 -- 12 - 65.163.182.0/24 5143 0.2% AS19743 -- 13 - 66.238.91.0/24 5142 0.2% AS19743 -- 14 - 66.89.98.0/24 5141 0.2% AS19743 -- 15 - 72.164.144.0/24 5137 0.2% AS19743 -- 16 - 208.54.82.0/24 4891 0.2% AS701 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 17 - 198.140.43.0/24 4864 0.2% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 18 - 68.65.152.0/22 3763 0.2% AS11915 -- TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC 19 - 64.43.0.0/16 3727 0.2% AS18704 -- T-SYSTEM - T-SYSTEMS INC. 20 - 202.153.174.0/24 3626 0.2% AS17408 -- ABOVE-AS-AP AboveNet Communications Taiwan Details at http://bgpupdates.potaroo.net ------------------------------------ Copies of this report are mailed to: nanog@nanog.org eof-list@ripe.net apops@apops.net routing-wg@ripe.net afnog@afnog.org