BGP Update Report Interval: 13-Apr-07 -to- 26-Apr-07 (14 days) Observation Point: BGP Peering with AS4637 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS17974 39669 3.4% 125.5 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA 2 - AS4775 37289 3.2% 376.7 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 3 - AS9121 25024 2.2% 30.0 -- TTNET TTnet Autonomous System 4 - AS8151 20800 1.8% 6.3 -- Uninet S.A. de C.V. 5 - AS9829 17486 1.5% 86.1 -- BSNL-NIB National Internet Backbone 6 - AS24731 16237 1.4% 318.4 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 7 - AS306 11222 1.0% 66.4 -- DNIC - DoD Network Information Center 8 - AS1239 9766 0.8% 38.4 -- SPRINTLINK - Sprint 9 - AS6198 9539 0.8% 16.5 -- BATI-MIA - BellSouth Network Solutions, Inc 10 - AS5803 8395 0.7% 116.6 -- DDN-ASNBLK - DoD Network Information Center 11 - AS5501 8271 0.7% 179.8 -- FRAUNHOFER-CLUSTER-BW Fraunhofer Gesellschaft 12 - AS30890 7340 0.6% 35.5 -- EVOLVA Evolva Telecom 13 - AS23966 7200 0.6% 61.0 -- DANCOM-AS-AP Dancom Online Services 14 - AS7011 6981 0.6% 8.9 -- FRONTIER-AND-CITIZENS - Frontier Communications, Inc. 15 - AS702 6849 0.6% 9.9 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 16 - AS4788 6626 0.6% 39.0 -- TMNET-AS-AP TM Net, Internet Service Provider 17 - AS12654 6611 0.6% 264.4 -- RIPE-NCC-RIS-AS RIPE NCC RIS project 18 - AS11556 6483 0.6% 27.4 -- Cable & Wireless Panama 19 - AS17645 6430 0.6% 535.8 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 20 - AS16322 6250 0.5% 94.7 -- PARSONLINE PARSONLINE Autonomous System TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS31594 4111 0.4% 4111.0 -- FORTESS-AS Fortess LLC Network 2 - AS30707 1534 0.1% 1534.0 -- 3 - AS38077 5284 0.5% 1321.0 -- TIMOR-TELECOM-AS-AP Timor Telecom, SA 4 - AS20133 1027 0.1% 1027.0 -- CASS-COL - CASS INFORMATION SYSTEMS 5 - AS34378 851 0.1% 851.0 -- RUG-AS Razguliay-UKRROS Group 6 - AS33025 820 0.1% 820.0 -- QE-ASN-01 - Quinn Emanuel Urquhart Oliver & Hedges LLP 7 - AS3944 781 0.1% 781.0 -- PARTAN-LAB - Partan & Partan 8 - AS35673 775 0.1% 775.0 -- BANK-CASPIAN-AS Bank Caspian JSC 9 - AS29700 1880 0.2% 626.7 -- CYPRESS-SEMICONDUCTOR - Cypress Semiconductor 10 - AS25872 623 0.1% 623.0 -- ARQULE - ArQule Inc. 11 - AS17645 6430 0.6% 535.8 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 12 - AS41555 526 0.1% 526.0 -- NOVATKL-AS FW Austria, Kundl 13 - AS32732 499 0.0% 499.0 -- 14 - AS33188 948 0.1% 474.0 -- SCS-NETWORK-1 - Sono Corporate Suites 15 - AS12408 453 0.0% 453.0 -- BIKENT-AS Bikent Ltd. Autonomous system 16 - AS32761 446 0.0% 446.0 -- WASSE-NYC - Wasserstein & Co. 17 - AS41327 1197 0.1% 399.0 -- MT-ITTELECOM IT & T AS number 18 - AS4775 37289 3.2% 376.7 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 19 - AS11828 3356 0.3% 372.9 -- SOINET - State of Illinois/CMS 20 - AS23917 725 0.1% 362.5 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 203.177.10.0/24 14400 1.0% AS4775 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 2 - 203.177.132.0/24 14394 1.0% AS4775 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 3 - 203.177.8.0/24 7461 0.5% AS4775 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 4 - 81.212.197.0/24 6817 0.5% AS9121 -- TTNET TTnet Autonomous System 5 - 81.213.47.0/24 6293 0.4% AS9121 -- TTNET TTnet Autonomous System 6 - 194.242.124.0/22 4111 0.3% AS31594 -- FORTESS-AS Fortess LLC Network 7 - 59.94.240.0/20 4023 0.3% AS9829 -- BSNL-NIB National Internet Backbone 8 - 59.94.192.0/20 3827 0.3% AS9829 -- BSNL-NIB National Internet Backbone 9 - 59.94.160.0/20 3827 0.3% AS9829 -- BSNL-NIB National Internet Backbone 10 - 59.95.240.0/20 3825 0.3% AS9829 -- BSNL-NIB National Internet Backbone 11 - 89.4.131.0/24 3350 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 12 - 163.191.160.0/19 3337 0.2% AS11828 -- SOINET - State of Illinois/CMS 13 - 89.4.129.0/24 3246 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 14 - 89.4.128.0/24 3170 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 15 - 89.4.130.0/24 3143 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 16 - 81.212.141.0/24 2772 0.2% AS9121 -- TTNET TTnet Autonomous System 17 - 89.4.158.0/24 2646 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 18 - 58.71.70.0/24 2561 0.2% AS9299 -- IPG-AS-AP Philippine Long Distance Telephone Company 19 - 80.243.64.0/20 2191 0.1% AS21332 -- NTC-AS New Telephone Company 20 - 58.65.1.0/24 2094 0.1% AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 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 ausnog@ausnog.net