BGP Update Report Interval: 16-Mar-07 -to- 29-Mar-07 (14 days) Observation Point: BGP Peering with AS4637 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS4621 18197 1.5% 128.1 -- UNSPECIFIED UNINET-TH 2 - AS17974 17117 1.4% 50.8 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA 3 - AS24731 13611 1.1% 349.0 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 4 - AS306 11181 0.9% 61.4 -- DNIC - DoD Network Information Center 5 - AS9829 10205 0.8% 54.6 -- BSNL-NIB National Internet Backbone 6 - AS3255 9609 0.8% 72.2 -- UARNET-AS Ukrainian Academic and Research Network 7 - AS7545 9414 0.8% 16.0 -- TPG-INTERNET-AP TPG Internet Pty Ltd 8 - AS721 8374 0.7% 14.3 -- DISA-ASNBLK - DoD Network Information Center 9 - AS6198 8087 0.7% 13.2 -- BATI-MIA - BellSouth Network Solutions, Inc 10 - AS9583 8062 0.7% 7.4 -- SIFY-AS-IN Sify Limited 11 - AS702 7989 0.6% 13.1 -- AS702 MCI EMEA - Commercial IP service provider in Europe 12 - AS12654 7901 0.6% 202.6 -- RIPE-NCC-RIS-AS RIPE NCC RIS project 13 - AS9121 7530 0.6% 29.3 -- TTNET TTnet Autonomous System 14 - AS17885 7507 0.6% 85.3 -- JKTXLNET-AS-AP PT Excelcomindo Pratama 15 - AS17645 6766 0.5% 615.1 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 16 - AS18231 6416 0.5% 53.9 -- EXATT-AS-AP Exatt Technologies Private Ltd. 17 - AS4657 6287 0.5% 29.9 -- STARHUBINTERNET-AS Starhub Internet, Singapore 18 - AS8151 6267 0.5% 6.1 -- Uninet S.A. de C.V. 19 - AS5803 5983 0.5% 63.0 -- DDN-ASNBLK - DoD Network Information Center 20 - AS24326 5801 0.5% 52.3 -- TTT-AS-AP TT&T Public Company Limited, Service Provider,Bangkok TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS38151 1701 0.1% 1701.0 -- ENUM-AS-ID APJII-RD 2 - AS11828 3309 0.3% 1654.5 -- SOINET - State of Illinois/CMS 3 - AS31307 1200 0.1% 1200.0 -- YKYATIRIM YAPI KREDI YATIRIM 4 - AS34378 866 0.1% 866.0 -- RUG-AS Razguliay-UKRROS Group 5 - AS38077 3392 0.3% 848.0 -- TIMOR-TELECOM-AS-AP Timor Telecom, SA 6 - AS3043 3376 0.3% 844.0 -- AMPHIB-AS - Amphibian Media Corporation 7 - AS10210 823 0.1% 823.0 -- HOSTECHNET-AP Hostech.Net 8 - AS41664 784 0.1% 784.0 -- SEMSER-AS Semser Provider LLP 9 - AS31594 773 0.1% 773.0 -- FORTESS-AS Fortess LLC Network 10 - AS17645 6766 0.5% 615.1 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 11 - AS33188 1190 0.1% 595.0 -- SCS-NETWORK-1 - Sono Corporate Suites 12 - AS33025 554 0.0% 554.0 -- QE-ASN-01 - Quinn Emanuel Urquhart Oliver & Hedges LLP 13 - AS30707 1577 0.1% 525.7 -- 14 - AS19580 522 0.0% 522.0 -- ZONETEL - ZONE TELECOM, INC. 15 - AS39610 948 0.1% 474.0 -- LCH-CLEARNET LCH Clearnet 16 - AS29700 1338 0.1% 446.0 -- CYPRESS-SEMICONDUCTOR - Cypress Semiconductor 17 - AS12408 419 0.0% 419.0 -- BIKENT-AS Bikent Ltd. Autonomous system 18 - AS5310 386 0.0% 386.0 -- DODNIC - DoD Network Information Center 19 - AS22779 1093 0.1% 364.3 -- 20 - AS12890 359 0.0% 359.0 -- SEPTOR-NET Septor Ltd. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 89.4.129.0/24 3440 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 2 - 89.4.131.0/24 3425 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 3 - 209.140.24.0/24 3373 0.2% AS3043 -- AMPHIB-AS - Amphibian Media Corporation 4 - 163.191.160.0/19 3308 0.2% AS11828 -- SOINET - State of Illinois/CMS 5 - 89.4.128.0/24 3223 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 6 - 89.4.130.0/24 2435 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 7 - 58.65.1.0/24 2391 0.2% AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 8 - 125.162.94.0/23 2372 0.1% AS17974 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA 9 - 80.243.64.0/20 2192 0.1% AS21332 -- NTC-AS New Telephone Company 10 - 202.136.176.0/24 2173 0.1% AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 11 - 202.136.182.0/24 2168 0.1% AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 12 - 62.89.226.0/24 2020 0.1% AS20663 -- INAR-VOLOGDA-AS Autonomous System of Vologda 13 - 59.94.240.0/20 1955 0.1% AS9829 -- BSNL-NIB National Internet Backbone 14 - 59.94.160.0/20 1955 0.1% AS9829 -- BSNL-NIB National Internet Backbone 15 - 59.94.192.0/20 1955 0.1% AS9829 -- BSNL-NIB National Internet Backbone 16 - 59.95.240.0/20 1955 0.1% AS9829 -- BSNL-NIB National Internet Backbone 17 - 203.119.54.0/24 1707 0.1% AS18347 -- IPNET-ID Indo Pratama CyberNet, PT. AS38151 -- ENUM-AS-ID APJII-RD 18 - 216.85.83.0/24 1598 0.1% AS4323 -- TWTC - Time Warner Telecom, Inc. 19 - 81.213.47.0/24 1590 0.1% AS9121 -- TTNET TTnet Autonomous System 20 - 64.95.193.0/24 1562 0.1% AS30707 -- 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