BGP Update Report Interval: 23-Feb-09 -to- 26-Mar-09 (32 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 178710 4.2% 168.3 -- SIFY-AS-IN Sify Limited 2 - AS3130 75459 1.8% 580.5 -- RGNET-3130 RGnet/PSGnet 3 - AS6629 45245 1.1% 7540.8 -- NOAA-AS - NOAA 4 - AS35805 34923 0.8% 109.8 -- UTG-AS United Telecom AS 5 - AS9498 33067 0.8% 47.5 -- BBIL-AP BHARTI Airtel Ltd. 6 - AS4771 31425 0.7% 119.9 -- NZTELECOM Netgate 7 - AS5056 28898 0.7% 249.1 -- INS-NET-2 - Iowa Network Services 8 - AS29372 28893 0.7% 324.6 -- SFR-NETWORK SFR 9 - AS6458 28167 0.7% 86.9 -- Telgua 10 - AS12978 28084 0.7% 156.9 -- DOGAN-ONLINE Dogan Iletisim Elektronik Servis Hizmetleri AS 11 - AS17488 26032 0.6% 16.6 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 12 - AS5050 24618 0.6% 2461.8 -- PSC-EXT - Pittsburgh Supercomputing Center 13 - AS4434 23460 0.6% 601.5 -- ERX-RADNET1-AS PT Rahajasa Media Internet 14 - AS7643 22445 0.5% 19.7 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 15 - AS4648 22396 0.5% 110.3 -- NZIX-2 Netgate 16 - AS4795 20117 0.5% 61.9 -- INDOSATM2-ID INDOSATM2 ASN 17 - AS9829 19858 0.5% 30.9 -- BSNL-NIB National Internet Backbone 18 - AS17974 18503 0.4% 31.5 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 19 - AS8103 17873 0.4% 29.9 -- STATE-OF-FLA - Florida Department of Management Services - Technology Program 20 - AS10620 17537 0.4% 22.1 -- TV Cable S.A. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS5691 10406 0.2% 10406.0 -- MITRE-AS-5 - The MITRE Corporation 2 - AS6629 45245 1.1% 7540.8 -- NOAA-AS - NOAA 3 - AS19017 5658 0.1% 5658.0 -- QUALCOMM-QWBS-LV - Qualcomm, Inc. 4 - AS30306 17285 0.4% 4321.2 -- AfOL-Sz-AS 5 - AS8225 4183 0.1% 4183.0 -- ASTELIT-MSK-AS Astelit Autonomous System 6 - AS46653 10128 0.2% 3376.0 -- FREDRIKSON---BYRON - Fredrikson & Byron, P.A. 7 - AS6312 3284 0.1% 3284.0 -- WESTWORLD-AS - WestWorld Media, LLC 8 - AS41343 5906 0.1% 2953.0 -- TRIUNFOTEL-ASN TRIUNFOTEL 9 - AS5050 24618 0.6% 2461.8 -- PSC-EXT - Pittsburgh Supercomputing Center 10 - AS8755 2068 0.1% 2068.0 -- CITYLINESPB-AS CityLine-SPb Autonomous System 11 - AS28194 4074 0.1% 2037.0 -- 12 - AS30552 1970 0.1% 1970.0 -- SAINT-JOSEPHS-HOSPITAL-OF-ATLANTA - Saint Joseph's Hospital of Atlanta 13 - AS32398 13839 0.3% 1729.9 -- REALNET-ASN-1 14 - AS46328 14725 0.3% 1636.1 -- PTCNEBRASKA - PIERCE TELEPHONE COMPANY, INCORPORATED 15 - AS7717 12904 0.3% 1613.0 -- OPENIXP-AS-ID-AP OpenIXP ASN 16 - AS20925 4456 0.1% 1485.3 -- RESEAU-DANZAS DANZAS Autonomous System 17 - AS30520 5756 0.1% 1439.0 -- NUANCE-SOMERVILLE - NUANCE COMMUNICATIONS, INC 18 - AS35335 1430 0.0% 1430.0 -- ESSTU-AS East-Siberian State Technological University AS 19 - AS40344 1379 0.0% 1379.0 -- PROSK-1 - Pro Sky Wireless 20 - AS42291 4884 0.1% 1221.0 -- ISTRANET-AS Istranet LLC TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 72.23.246.0/24 24527 0.5% AS5050 -- PSC-EXT - Pittsburgh Supercomputing Center 2 - 192.35.129.0/24 15183 0.3% AS6629 -- NOAA-AS - NOAA 3 - 192.102.88.0/24 15043 0.3% AS6629 -- NOAA-AS - NOAA 4 - 198.77.177.0/24 15007 0.3% AS6629 -- NOAA-AS - NOAA 5 - 221.135.105.0/24 14858 0.3% AS9583 -- SIFY-AS-IN Sify Limited 6 - 210.214.222.0/24 14823 0.3% AS9583 -- SIFY-AS-IN Sify Limited 7 - 210.214.232.0/24 14774 0.3% AS9583 -- SIFY-AS-IN Sify Limited 8 - 210.214.177.0/24 14743 0.3% AS9583 -- SIFY-AS-IN Sify Limited 9 - 210.214.132.0/24 14723 0.3% AS9583 -- SIFY-AS-IN Sify Limited 10 - 210.214.184.0/24 14714 0.3% AS9583 -- SIFY-AS-IN Sify Limited 11 - 210.214.156.0/24 14705 0.3% AS9583 -- SIFY-AS-IN Sify Limited 12 - 210.214.146.0/24 14539 0.3% AS9583 -- SIFY-AS-IN Sify Limited 13 - 210.214.117.0/24 14435 0.3% AS9583 -- SIFY-AS-IN Sify Limited 14 - 210.210.127.0/24 14386 0.3% AS9583 -- SIFY-AS-IN Sify Limited 15 - 41.204.2.0/24 13641 0.3% AS32398 -- REALNET-ASN-1 16 - 221.134.32.0/24 12908 0.3% AS9583 -- SIFY-AS-IN Sify Limited 17 - 121.101.184.0/24 12755 0.3% AS38785 -- BAGUSNET-AS-ID PT. BORNEO BROADBAND TECHNOLOGY AS7717 -- OPENIXP-AS-ID-AP OpenIXP ASN 18 - 222.255.51.64/26 11005 0.2% AS7643 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 19 - 192.12.120.0/24 10406 0.2% AS5691 -- MITRE-AS-5 - The MITRE Corporation 20 - 199.45.13.0/24 10096 0.2% AS46653 -- FREDRIKSON---BYRON - Fredrikson & Byron, P.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