BGP Update Report Interval: 26-Jan-09 -to- 26-Feb-09 (32 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 304975 6.6% 237.3 -- SIFY-AS-IN Sify Limited 2 - AS7643 131673 2.9% 209.3 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 3 - AS30890 50431 1.1% 113.1 -- EVOLVA Evolva Telecom 4 - AS6629 49010 1.1% 754.0 -- NOAA-AS - NOAA 5 - AS17974 34251 0.7% 67.3 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 6 - AS35805 33756 0.7% 90.0 -- UTG-AS United Telecom AS 7 - AS27757 33625 0.7% 275.6 -- ANDINATEL S.A. 8 - AS3130 33494 0.7% 257.6 -- RGNET-3130 RGnet/PSGnet 9 - AS6458 30997 0.7% 77.1 -- Telgua 10 - AS30306 29623 0.6% 7405.8 -- AfOL-Sz-AS 11 - AS17488 27653 0.6% 16.9 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 12 - AS5056 26401 0.6% 227.6 -- INS-NET-2 - Iowa Network Services 13 - AS30969 25108 0.5% 3138.5 -- TAN-NET TransAfrica Networks 14 - AS5050 24017 0.5% 407.1 -- PSC-EXT - Pittsburgh Supercomputing Center 15 - AS16559 22988 0.5% 2554.2 -- REALCONNECT-01 - RealConnect, Inc 16 - AS8452 22311 0.5% 15.1 -- TEDATA TEDATA 17 - AS1785 22016 0.5% 11.6 -- AS-PAETEC-NET - PaeTec Communications, Inc. 18 - AS9829 21264 0.5% 33.3 -- BSNL-NIB National Internet Backbone 19 - AS23966 19534 0.4% 52.9 -- LDN-AS-AP LINKdotNET Telecom Limited 20 - AS8103 19354 0.4% 30.3 -- STATE-OF-FLA - Florida Department of Management Services - Technology Program TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS30287 8019 0.2% 8019.0 -- ALON-USA - ALON USA, LP 2 - AS30306 29623 0.6% 7405.8 -- AfOL-Sz-AS 3 - AS12500 19258 0.4% 4814.5 -- RCS-AS RCS Autonomus System 4 - AS19017 3584 0.1% 3584.0 -- QUALCOMM-QWBS-LV - Qualcomm, Inc. 5 - AS30969 25108 0.5% 3138.5 -- TAN-NET TransAfrica Networks 6 - AS41382 3011 0.1% 3011.0 -- TELEPORT-AS Teleport LLC Network AS 7 - AS16559 22988 0.5% 2554.2 -- REALCONNECT-01 - RealConnect, Inc 8 - AS28194 6840 0.1% 2280.0 -- 9 - AS32398 11112 0.2% 1587.4 -- REALNET-ASN-1 10 - AS5033 13944 0.3% 1549.3 -- ISW - Internet Specialties West Inc. 11 - AS25970 7572 0.2% 1262.0 -- IAC - IAC Services LLC 12 - AS46328 9254 0.2% 1028.2 -- PTCNEBRASKA - PIERCE TELEPHONE COMPANY, INCORPORATED 13 - AS23917 1013 0.0% 1013.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 14 - AS29224 1964 0.0% 982.0 -- HELLMANN Hellmann Worldwide Logistics GmbH & Co KG 15 - AS46781 914 0.0% 914.0 -- ASN1 - White Nile Group, Inc. 16 - AS35335 878 0.0% 878.0 -- ESSTU-AS East-Siberian State Technological University AS 17 - AS39107 1754 0.0% 877.0 -- INTERLAN-AS Asociatia Interlan 18 - AS48144 867 0.0% 867.0 -- NETWORKTECH Network Technology 19 - AS9796 2550 0.1% 850.0 -- WIPRO Internet Service Providers 20 - AS35410 5512 0.1% 787.4 -- RU-LVS-AS LVS AS Number TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 221.134.32.0/24 33591 0.7% AS9583 -- SIFY-AS-IN Sify Limited 2 - 72.23.246.0/24 23792 0.5% AS5050 -- PSC-EXT - Pittsburgh Supercomputing Center 3 - 210.214.177.0/24 21373 0.4% AS9583 -- SIFY-AS-IN Sify Limited 4 - 210.214.232.0/24 21083 0.4% AS9583 -- SIFY-AS-IN Sify Limited 5 - 210.214.132.0/24 21078 0.4% AS9583 -- SIFY-AS-IN Sify Limited 6 - 210.214.146.0/24 21041 0.4% AS9583 -- SIFY-AS-IN Sify Limited 7 - 210.214.222.0/24 20842 0.4% AS9583 -- SIFY-AS-IN Sify Limited 8 - 210.214.117.0/24 20824 0.4% AS9583 -- SIFY-AS-IN Sify Limited 9 - 210.214.184.0/24 19707 0.4% AS9583 -- SIFY-AS-IN Sify Limited 10 - 210.210.127.0/24 19020 0.4% AS9583 -- SIFY-AS-IN Sify Limited 11 - 221.135.105.0/24 18475 0.4% AS9583 -- SIFY-AS-IN Sify Limited 12 - 210.214.156.0/24 18223 0.3% AS9583 -- SIFY-AS-IN Sify Limited 13 - 190.152.103.0/24 17936 0.3% AS27757 -- ANDINATEL S.A. 14 - 192.35.129.0/24 16419 0.3% AS6629 -- NOAA-AS - NOAA 15 - 192.102.88.0/24 16235 0.3% AS6629 -- NOAA-AS - NOAA 16 - 198.77.177.0/24 16104 0.3% AS6629 -- NOAA-AS - NOAA 17 - 221.135.107.0/24 15320 0.3% AS9583 -- SIFY-AS-IN Sify Limited 18 - 212.85.223.0/24 14721 0.3% AS30306 -- AfOL-Sz-AS 19 - 212.85.220.0/24 14682 0.3% AS30306 -- AfOL-Sz-AS 20 - 190.152.100.0/24 14231 0.3% AS27757 -- ANDINATEL S.A. 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