BGP Update Report Interval: 02-Feb-09 -to- 05-Mar-09 (32 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 371772 7.9% 304.2 -- SIFY-AS-IN Sify Limited 2 - AS7643 85782 1.8% 191.1 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 3 - AS3130 76761 1.6% 590.5 -- RGNET-3130 RGnet/PSGnet 4 - AS6629 48185 1.0% 741.3 -- NOAA-AS - NOAA 5 - AS30890 46688 1.0% 104.4 -- EVOLVA Evolva Telecom 6 - AS35805 46332 1.0% 122.6 -- UTG-AS United Telecom AS 7 - AS17974 33739 0.7% 65.6 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 8 - AS5056 32081 0.7% 276.6 -- INS-NET-2 - Iowa Network Services 9 - AS6458 31080 0.7% 83.5 -- Telgua 10 - AS27757 29317 0.6% 240.3 -- ANDINATEL S.A. 11 - AS30306 29166 0.6% 7291.5 -- AfOL-Sz-AS 12 - AS17488 26400 0.6% 16.1 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 13 - AS4771 25926 0.6% 97.5 -- NZTELECOM Netgate 14 - AS30969 24110 0.5% 3013.8 -- TAN-NET TransAfrica Networks 15 - AS5050 24045 0.5% 1849.6 -- PSC-EXT - Pittsburgh Supercomputing Center 16 - AS9829 22631 0.5% 35.4 -- BSNL-NIB National Internet Backbone 17 - AS29372 20867 0.4% 254.5 -- SFR-NETWORK SFR 18 - AS4648 20817 0.4% 101.5 -- NZIX-2 Netgate 19 - AS8103 19963 0.4% 33.4 -- STATE-OF-FLA - Florida Department of Management Services - Technology Program 20 - AS1785 19665 0.4% 10.4 -- AS-PAETEC-NET - PaeTec Communications, Inc. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS30306 29166 0.6% 7291.5 -- AfOL-Sz-AS 2 - AS30287 5633 0.1% 5633.0 -- ALON-USA - ALON USA, LP 3 - AS19017 4461 0.1% 4461.0 -- QUALCOMM-QWBS-LV - Qualcomm, Inc. 4 - AS12500 14961 0.3% 3740.2 -- RCS-AS RCS Autonomus System 5 - AS30969 24110 0.5% 3013.8 -- TAN-NET TransAfrica Networks 6 - AS41382 2953 0.1% 2953.0 -- TELEPORT-AS Teleport LLC Network AS 7 - AS28194 5834 0.1% 2917.0 -- 8 - AS35335 1896 0.0% 1896.0 -- ESSTU-AS East-Siberian State Technological University AS 9 - AS5050 24045 0.5% 1849.6 -- PSC-EXT - Pittsburgh Supercomputing Center 10 - AS32398 11217 0.2% 1402.1 -- REALNET-ASN-1 11 - AS5033 11816 0.2% 1312.9 -- ISW - Internet Specialties West Inc. 12 - AS35410 7322 0.1% 1220.3 -- RU-LVS-AS LVS AS Number 13 - AS39107 2262 0.1% 1131.0 -- INTERLAN-AS Asociatia Interlan 14 - AS29224 2148 0.1% 1074.0 -- HELLMANN Hellmann Worldwide Logistics GmbH & Co KG 15 - AS48144 1014 0.0% 1014.0 -- NETWORKTECH Network Technology 16 - AS16559 19125 0.4% 1006.6 -- REALCONNECT-01 - RealConnect, Inc 17 - AS46781 916 0.0% 916.0 -- ASN1 - White Nile Group, Inc. 18 - AS46328 7720 0.2% 857.8 -- PTCNEBRASKA - PIERCE TELEPHONE COMPANY, INCORPORATED 19 - AS5691 10194 0.2% 784.2 -- MITRE-AS-5 - The MITRE Corporation 20 - AS41343 1505 0.0% 752.5 -- TRIUNFOTEL-ASN TRIUNFOTEL TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 221.134.32.0/24 38589 0.7% AS9583 -- SIFY-AS-IN Sify Limited 2 - 210.214.177.0/24 27805 0.5% AS9583 -- SIFY-AS-IN Sify Limited 3 - 210.214.232.0/24 27574 0.5% AS9583 -- SIFY-AS-IN Sify Limited 4 - 210.214.132.0/24 27557 0.5% AS9583 -- SIFY-AS-IN Sify Limited 5 - 210.214.222.0/24 27505 0.5% AS9583 -- SIFY-AS-IN Sify Limited 6 - 210.214.146.0/24 27424 0.5% AS9583 -- SIFY-AS-IN Sify Limited 7 - 210.214.117.0/24 27140 0.5% AS9583 -- SIFY-AS-IN Sify Limited 8 - 210.214.184.0/24 26128 0.5% AS9583 -- SIFY-AS-IN Sify Limited 9 - 210.210.127.0/24 25305 0.5% AS9583 -- SIFY-AS-IN Sify Limited 10 - 221.135.105.0/24 25020 0.5% AS9583 -- SIFY-AS-IN Sify Limited 11 - 210.214.156.0/24 24565 0.5% AS9583 -- SIFY-AS-IN Sify Limited 12 - 72.23.246.0/24 23922 0.5% AS5050 -- PSC-EXT - Pittsburgh Supercomputing Center 13 - 192.35.129.0/24 16134 0.3% AS6629 -- NOAA-AS - NOAA 14 - 192.102.88.0/24 15940 0.3% AS6629 -- NOAA-AS - NOAA 15 - 198.77.177.0/24 15849 0.3% AS6629 -- NOAA-AS - NOAA 16 - 221.135.107.0/24 15322 0.3% AS9583 -- SIFY-AS-IN Sify Limited 17 - 212.85.223.0/24 14479 0.3% AS30306 -- AfOL-Sz-AS 18 - 212.85.220.0/24 14447 0.3% AS30306 -- AfOL-Sz-AS 19 - 190.152.100.0/24 14301 0.3% AS27757 -- ANDINATEL S.A. 20 - 190.152.103.0/24 13454 0.2% 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