BGP Update Report Interval: 09-Feb-09 -to- 12-Mar-09 (32 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 340993 7.2% 296.8 -- SIFY-AS-IN Sify Limited 2 - AS3130 89740 1.9% 690.3 -- RGNET-3130 RGnet/PSGnet 3 - AS6629 48665 1.0% 748.7 -- NOAA-AS - NOAA 4 - AS35805 42241 0.9% 139.0 -- UTG-AS United Telecom AS 5 - AS7643 38671 0.8% 34.9 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 6 - AS30890 35698 0.8% 79.9 -- EVOLVA Evolva Telecom 7 - AS17974 35138 0.7% 69.4 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 8 - AS5056 33187 0.7% 286.1 -- INS-NET-2 - Iowa Network Services 9 - AS6458 30871 0.7% 85.5 -- Telgua 10 - AS30306 29280 0.6% 7320.0 -- AfOL-Sz-AS 11 - AS17488 27622 0.6% 16.8 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 12 - AS4771 27137 0.6% 102.0 -- NZTELECOM Netgate 13 - AS29372 25369 0.5% 281.9 -- SFR-NETWORK SFR 14 - AS5050 24198 0.5% 1728.4 -- PSC-EXT - Pittsburgh Supercomputing Center 15 - AS27757 23122 0.5% 189.5 -- ANDINATEL S.A. 16 - AS9829 22760 0.5% 35.6 -- BSNL-NIB National Internet Backbone 17 - AS4648 22122 0.5% 107.9 -- NZIX-2 Netgate 18 - AS8103 19727 0.4% 32.8 -- STATE-OF-FLA - Florida Department of Management Services - Technology Program 19 - AS30969 19371 0.4% 2421.4 -- TAN-NET TransAfrica Networks 20 - AS20115 19086 0.4% 11.6 -- CHARTER-NET-HKY-NC - Charter Communications TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS30306 29280 0.6% 7320.0 -- AfOL-Sz-AS 2 - AS19017 5390 0.1% 5390.0 -- QUALCOMM-QWBS-LV - Qualcomm, Inc. 3 - AS30287 4700 0.1% 4700.0 -- ALON-USA - ALON USA, LP 4 - AS12500 12162 0.3% 4054.0 -- RCS-AS RCS Autonomus System 5 - AS41343 5895 0.1% 2947.5 -- TRIUNFOTEL-ASN TRIUNFOTEL 6 - AS28194 5460 0.1% 2730.0 -- 7 - AS30969 19371 0.4% 2421.4 -- TAN-NET TransAfrica Networks 8 - AS8755 2070 0.0% 2070.0 -- CITYLINESPB-AS CityLine-SPb Autonomous System 9 - AS48144 1882 0.0% 1882.0 -- NETWORKTECH Network Technology 10 - AS5050 24198 0.5% 1728.4 -- PSC-EXT - Pittsburgh Supercomputing Center 11 - AS35335 1627 0.0% 1627.0 -- ESSTU-AS East-Siberian State Technological University AS 12 - AS35410 9009 0.2% 1501.5 -- RU-LVS-AS LVS AS Number 13 - AS32398 11438 0.2% 1429.8 -- REALNET-ASN-1 14 - AS46328 10964 0.2% 1218.2 -- PTCNEBRASKA - PIERCE TELEPHONE COMPANY, INCORPORATED 15 - AS39107 2249 0.1% 1124.5 -- INTERLAN-AS Asociatia Interlan 16 - AS41382 1038 0.0% 1038.0 -- TELEPORT-AS Teleport LLC Network AS 17 - AS46781 916 0.0% 916.0 -- ASN1 - White Nile Group, Inc. 18 - AS19634 896 0.0% 896.0 -- HGL-22-ASN - Heidenreich GP, LLC 19 - AS46653 2601 0.1% 867.0 -- FREDRIKSON---BYRON - Fredrikson & Byron, P.A. 20 - AS29224 1676 0.0% 838.0 -- HELLMANN Hellmann Worldwide Logistics GmbH & Co KG TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 221.134.32.0/24 32037 0.6% AS9583 -- SIFY-AS-IN Sify Limited 2 - 210.214.177.0/24 27706 0.5% AS9583 -- SIFY-AS-IN Sify Limited 3 - 221.135.105.0/24 27697 0.5% AS9583 -- SIFY-AS-IN Sify Limited 4 - 210.214.184.0/24 27562 0.5% AS9583 -- SIFY-AS-IN Sify Limited 5 - 210.214.232.0/24 27525 0.5% AS9583 -- SIFY-AS-IN Sify Limited 6 - 210.214.132.0/24 27428 0.5% AS9583 -- SIFY-AS-IN Sify Limited 7 - 210.214.156.0/24 27408 0.5% AS9583 -- SIFY-AS-IN Sify Limited 8 - 210.214.222.0/24 27343 0.5% AS9583 -- SIFY-AS-IN Sify Limited 9 - 210.214.146.0/24 27261 0.5% AS9583 -- SIFY-AS-IN Sify Limited 10 - 210.214.117.0/24 26981 0.5% AS9583 -- SIFY-AS-IN Sify Limited 11 - 210.210.127.0/24 26875 0.5% AS9583 -- SIFY-AS-IN Sify Limited 12 - 72.23.246.0/24 24056 0.5% AS5050 -- PSC-EXT - Pittsburgh Supercomputing Center 13 - 192.35.129.0/24 16266 0.3% AS6629 -- NOAA-AS - NOAA 14 - 192.102.88.0/24 16109 0.3% AS6629 -- NOAA-AS - NOAA 15 - 198.77.177.0/24 16028 0.3% AS6629 -- NOAA-AS - NOAA 16 - 212.85.223.0/24 14248 0.3% AS30306 -- AfOL-Sz-AS 17 - 212.85.220.0/24 14236 0.3% AS19711 -- SWAZI-NET AS30306 -- AfOL-Sz-AS 18 - 190.152.100.0/24 12940 0.2% AS27757 -- ANDINATEL S.A. 19 - 41.204.2.0/24 11173 0.2% AS32398 -- REALNET-ASN-1 20 - 222.255.51.64/26 11063 0.2% AS7643 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 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