BGP Update Report Interval: 20-Apr-07 -to- 03-May-07 (14 days) Observation Point: BGP Peering with AS4637 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS17974 39486 3.2% 124.6 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA 2 - AS4775 37298 3.0% 280.4 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 3 - AS1239 22838 1.9% 28.1 -- SPRINTLINK - Sprint 4 - AS9121 18248 1.5% 55.5 -- TTNET TTnet Autonomous System 5 - AS24731 16389 1.3% 327.8 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 6 - AS9829 15277 1.2% 81.3 -- BSNL-NIB National Internet Backbone 7 - AS6198 11253 0.9% 18.3 -- BATI-MIA - BellSouth Network Solutions, Inc 8 - AS306 9466 0.8% 52.0 -- DNIC - DoD Network Information Center 9 - AS11556 8859 0.7% 60.3 -- Cable & Wireless Panama 10 - AS30890 8853 0.7% 43.0 -- EVOLVA Evolva Telecom 11 - AS702 8318 0.7% 12.0 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 12 - AS8151 8239 0.7% 7.7 -- Uninet S.A. de C.V. 13 - AS5803 7515 0.6% 104.4 -- DDN-ASNBLK - DoD Network Information Center 14 - AS16322 7019 0.6% 125.3 -- PARSONLINE PARSONLINE Autonomous System 15 - AS9471 6830 0.6% 52.9 -- MANA-PF-AP MANA S.A. 16 - AS4788 6658 0.5% 40.1 -- TMNET-AS-AP TM Net, Internet Service Provider 17 - AS23966 6585 0.5% 55.8 -- DANCOM-AS-AP Dancom Online Services 18 - AS12654 6541 0.5% 242.3 -- RIPE-NCC-RIS-AS RIPE NCC RIS project 19 - AS17645 6423 0.5% 535.2 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 20 - AS25306 6246 0.5% 297.4 -- INSTITUTE-ISIRAN institute isiran Autonomous System Number TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS31594 3764 0.3% 3764.0 -- FORTESS-AS Fortess LLC Network 2 - AS20133 1502 0.1% 1502.0 -- CASS-COL - CASS INFORMATION SYSTEMS 3 - AS34378 851 0.1% 851.0 -- RUG-AS Razguliay-UKRROS Group 4 - AS9747 1496 0.1% 748.0 -- EZINTERNET-AS-AP EZInternet Pty Ltd 5 - AS30707 1489 0.1% 744.5 -- 6 - AS3944 703 0.1% 703.0 -- PARTAN-LAB - Partan & Partan 7 - AS29700 1800 0.1% 600.0 -- CYPRESS-SEMICONDUCTOR - Cypress Semiconductor 8 - AS35673 570 0.1% 570.0 -- BANK-CASPIAN-AS Bank Caspian JSC 9 - AS17645 6423 0.5% 535.2 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 10 - AS8225 515 0.0% 515.0 -- ASTELIT-MSK-AS Astelit Autonomous System 11 - AS41555 514 0.0% 514.0 -- NOVATKL-AS FW Austria, Kundl 12 - AS25872 503 0.0% 503.0 -- ARQULE - ArQule Inc. 13 - AS28977 997 0.1% 498.5 -- UN-UNLB United Nations Logistics Base Brindisi, Italy 14 - AS30600 963 0.1% 481.5 -- CSDI-ASN01 - Corbett Systems Development, Inc. 15 - AS30375 481 0.0% 481.0 -- TEVA-NA - Teva Pharmaceuticals USA, INC 16 - AS41327 1404 0.1% 468.0 -- MT-ITTELECOM IT & T AS number 17 - AS32732 419 0.0% 419.0 -- 18 - AS33232 776 0.1% 388.0 -- ERXNETWORK - eRx Network 19 - AS38077 1480 0.1% 370.0 -- TIMOR-TELECOM-AS-AP Timor Telecom, SA 20 - AS33601 334 0.0% 334.0 -- ADOLOR-CORP-1 - Adolor Corporation TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 203.177.10.0/24 13667 0.9% AS4775 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 2 - 203.177.132.0/24 13492 0.9% AS4775 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 3 - 81.212.197.0/24 6043 0.4% AS9121 -- TTNET TTnet Autonomous System 4 - 81.213.47.0/24 5173 0.3% AS9121 -- TTNET TTnet Autonomous System 5 - 194.242.124.0/22 3764 0.2% AS31594 -- FORTESS-AS Fortess LLC Network 6 - 59.94.240.0/20 3361 0.2% AS9829 -- BSNL-NIB National Internet Backbone 7 - 59.94.160.0/20 3283 0.2% AS9829 -- BSNL-NIB National Internet Backbone 8 - 59.94.192.0/20 3283 0.2% AS9829 -- BSNL-NIB National Internet Backbone 9 - 59.95.240.0/20 3283 0.2% AS9829 -- BSNL-NIB National Internet Backbone 10 - 89.4.131.0/24 3277 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 11 - 89.4.128.0/24 3255 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 12 - 89.4.129.0/24 3208 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 13 - 89.4.130.0/24 3138 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 14 - 89.4.158.0/24 2800 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 15 - 192.160.223.0/24 2783 0.2% AS1239 -- SPRINTLINK - Sprint 16 - 192.160.220.0/24 2783 0.2% AS1239 -- SPRINTLINK - Sprint 17 - 192.160.219.0/24 2783 0.2% AS1239 -- SPRINTLINK - Sprint 18 - 192.160.221.0/24 2783 0.2% AS1239 -- SPRINTLINK - Sprint 19 - 192.160.217.0/24 2783 0.2% AS1239 -- SPRINTLINK - Sprint 20 - 192.160.218.0/24 2783 0.2% AS1239 -- SPRINTLINK - Sprint 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