BGP Update Report Interval: 11-May-07 -to- 24-May-07 (14 days) Observation Point: BGP Peering with AS4637 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS17974 24291 0.9% 44.5 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA 2 - AS11492 23924 0.9% 22.3 -- CABLEONE - CABLE ONE 3 - AS4134 20588 0.8% 16.3 -- CHINANET-BACKBONE No.31,Jin-rong Street 4 - AS1239 16170 0.6% 19.6 -- SPRINTLINK - Sprint 5 - AS7018 15372 0.6% 10.2 -- ATT-INTERNET4 - AT&T WorldNet Services 6 - AS2386 14693 0.6% 12.7 -- INS-AS - AT&T Data Communications Services 7 - AS6478 14314 0.6% 12.9 -- ATT-INTERNET3 - AT&T WorldNet Services 8 - AS9583 13699 0.5% 12.0 -- SIFY-AS-IN Sify Limited 9 - AS4775 13618 0.5% 89.6 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 10 - AS4323 13542 0.5% 10.6 -- TWTC - Time Warner Telecom, Inc. 11 - AS6198 13151 0.5% 23.3 -- BATI-MIA - BellSouth Network Solutions, Inc 12 - AS8151 12878 0.5% 9.9 -- Uninet S.A. de C.V. 13 - AS15471 12366 0.5% 75.4 -- SNR-RO SNR - Societatea Nationala de Radiocomunicatii 14 - AS17486 12287 0.5% 115.9 -- SWIFTEL1-AP Swiftel Communications Pty Ltd/People Telecom Ltd 15 - AS4755 12193 0.5% 9.9 -- VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System 16 - AS9837 11317 0.4% 45.8 -- POWERTEL-AP Powertel Ltd 17 - AS20115 10848 0.4% 13.1 -- CHARTER-NET-HKY-NC - Charter Communications 18 - AS4788 10405 0.4% 59.5 -- TMNET-AS-AP TM Net, Internet Service Provider 19 - AS24731 10339 0.4% 240.4 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 20 - AS9498 9665 0.4% 9.7 -- BBIL-AP BHARTI BT INTERNET LTD. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS12408 762 0.0% 762.0 -- BIKENT-AS Bikent Ltd. Autonomous system 2 - AS41664 646 0.0% 646.0 -- SEMSER-AS Semser Provider LLP 3 - AS34378 630 0.0% 630.0 -- RUG-AS Razguliay-UKRROS Group 4 - AS27096 496 0.0% 496.0 -- DDN-ASNBLK1 - DoD Network Information Center 5 - AS30600 891 0.0% 445.5 -- CSDI-ASN01 - Corbett Systems Development, Inc. 6 - AS25872 437 0.0% 437.0 -- ARQULE - ArQule Inc. 7 - AS22818 1298 0.1% 432.7 -- Directnet Prestacao de Servicos Ltda. 8 - AS10178 4508 0.2% 409.8 -- KBTUS-AS Korea Baptist Theological University/Seminary 9 - AS41327 1209 0.1% 403.0 -- MT-ITTELECOM IT & T AS number 10 - AS17645 3588 0.1% 326.2 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 11 - AS34988 298 0.0% 298.0 -- EWS English Welsh and Scottish Railways 12 - AS30707 868 0.0% 289.3 -- 13 - AS33188 574 0.0% 287.0 -- SCS-NETWORK-1 - Sono Corporate Suites 14 - AS19149 267 0.0% 267.0 -- MOTLABS - Motorola Labs 15 - AS22433 242 0.0% 242.0 -- HRMC - Human Resource Management Center, Inc. 16 - AS24731 10339 0.4% 240.4 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 17 - AS33630 236 0.0% 236.0 -- FIRMLOGICWS - FIRMLOGIC 18 - AS40981 224 0.0% 224.0 -- UNIVCG University of Montenegro 19 - AS41555 222 0.0% 222.0 -- NOVATKL-AS FW Austria, Kundl 20 - AS7234 439 0.0% 219.5 -- RUSSELL - Frank Russell TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 203.177.10.0/24 6003 0.2% AS4775 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 2 - 203.177.132.0/24 5946 0.2% AS4775 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 3 - 203.17.214.0/24 5348 0.2% AS17486 -- SWIFTEL1-AP Swiftel Communications Pty Ltd/People Telecom Ltd 4 - 203.11.108.0/24 5348 0.2% AS17486 -- SWIFTEL1-AP Swiftel Communications Pty Ltd/People Telecom Ltd 5 - 89.4.129.0/24 2023 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 6 - 89.4.130.0/24 2012 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 7 - 89.4.128.0/24 1884 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 8 - 203.63.26.0/24 1653 0.1% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 9 - 89.4.158.0/24 1558 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 10 - 89.4.131.0/24 1532 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 11 - 58.65.1.0/24 1188 0.0% AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 12 - 202.136.182.0/24 1165 0.0% AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 13 - 202.136.176.0/24 1165 0.0% AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 14 - 216.85.83.0/24 1091 0.0% AS4323 -- TWTC - Time Warner Telecom, Inc. 15 - 192.91.185.0/24 1051 0.0% AS9837 -- POWERTEL-AP Powertel Ltd 16 - 194.42.208.0/20 1036 0.0% AS705 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 17 - 203.23.245.0/24 993 0.0% AS9837 -- POWERTEL-AP Powertel Ltd 18 - 202.182.142.0/23 978 0.0% AS9837 -- POWERTEL-AP Powertel Ltd 19 - 203.55.203.0/24 961 0.0% AS9837 -- POWERTEL-AP Powertel Ltd 20 - 203.27.27.0/24 960 0.0% AS9837 -- POWERTEL-AP Powertel 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