BGP Update Report Interval: 08-Oct-07 -to- 08-Nov-07 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 233754 2.8% 198.4 -- SIFY-AS-IN Sify Limited 2 - AS16637 180622 2.1% 2544.0 -- MTNNS-AS 3 - AS8452 171181 2.0% 512.5 -- TEDATA TEDATA 4 - AS8866 124431 1.5% 455.8 -- BTC-AS Bulgarian Telecommunication Company Plc. 5 - AS288 101893 1.2% 842.1 -- European Space Agency 6 - AS5583 92117 1.1% 1462.2 -- GIPNL Equant Benelux AS 7 - AS9498 89079 1.1% 83.3 -- BBIL-AP BHARTI BT INTERNET LTD. 8 - AS3215 68338 0.8% 104.8 -- AS3215 France Telecom - Orange 9 - AS8151 62195 0.7% 46.8 -- Uninet S.A. de C.V. 10 - AS33783 54971 0.7% 432.8 -- EEPAD 11 - AS14390 52417 0.6% 936.0 -- CORENET - Coretel America, Inc. 12 - AS4621 52273 0.6% 353.2 -- UNSPECIFIED UNINET-TH 13 - AS12975 48837 0.6% 610.5 -- PALTEL-AS PALTEL Autonomous System 14 - AS26829 48482 0.6% 48482.0 -- YKK-USA - YKK USA,INC 15 - AS9835 43081 0.5% 339.2 -- GITS-TH-AS-AP Government Information Technology Services 16 - AS4750 42847 0.5% 189.6 -- CSLOXINFO-ISP-AS-AP CSLOXINFO Public Company Limited. 17 - AS702 41717 0.5% 67.4 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 18 - AS17540 41638 0.5% 41638.0 -- MTL-AP Modern Terminals Limited 19 - AS24731 41612 0.5% 866.9 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 20 - AS28885 39435 0.5% 1460.6 -- OMANTEL-NAP-AS OmanTel NAP TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS26829 48482 0.6% 48482.0 -- YKK-USA - YKK USA,INC 2 - AS17540 41638 0.5% 41638.0 -- MTL-AP Modern Terminals Limited 3 - AS10275 23439 0.3% 11719.5 -- AS-UNITEDNETWORK - ABS-CBN International 4 - AS43830 19779 0.2% 9889.5 -- ADECCO-ASN Adecco IT Services 5 - AS22072 9470 0.1% 9470.0 -- DEFINITYHEALTH - Definity Health 6 - AS42704 8944 0.1% 8944.0 -- ELITENETWORK-AS SC Elite Network Communications SRL 7 - AS38240 6168 0.1% 6168.0 -- CALYONFINANCIAL-AS-JP Calyon Financial, Inc. 8 - AS34382 5731 0.1% 5731.0 -- ASSYRUS-SRL-AS Assyrus Srl Maintainer 9 - AS43403 10812 0.1% 5406.0 -- SVIAZ-PLUS-AS LLC "Sviaz Plus" 10 - AS38242 5034 0.1% 5034.0 -- FORTIS-AU-AS Fortis Clearing Sydney 11 - AS36011 8420 0.1% 4210.0 -- AHSYS-ASN - Atlantic Health System 12 - AS19334 4083 0.1% 4083.0 -- SPORTLINE-DBC - SPORTLINE 13 - AS30707 11603 0.1% 3867.7 -- 14 - AS28813 2829 0.0% 2829.0 -- VECERNJI-AS Vecernji list d.d. 15 - AS31671 2753 0.0% 2753.0 -- AKTINFOSYS AKT Informationssysteme AG 16 - AS16637 180622 2.1% 2544.0 -- MTNNS-AS 17 - AS12611 6842 0.1% 2280.7 -- RKOM R-KOM Regensburger Telekommunikations GmbH & Co. KG 18 - AS13956 4400 0.1% 2200.0 -- 19 - AS21998 3970 0.1% 1985.0 -- SETA - SETA 20 - AS22203 11806 0.1% 1967.7 -- NAVITAIRE - Navitaire, Inc. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.96.14.0/24 87686 1.0% AS16637 -- MTNNS-AS 2 - 192.96.13.0/24 87678 1.0% AS16637 -- MTNNS-AS 3 - 83.228.103.0/24 66558 0.7% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 4 - 209.163.125.0/24 51102 0.6% AS14390 -- CORENET - Coretel America, Inc. 5 - 12.108.254.0/24 48482 0.5% AS26829 -- YKK-USA - YKK USA,INC 6 - 203.83.127.0/24 41638 0.5% AS17540 -- MTL-AP Modern Terminals Limited 7 - 125.23.208.0/20 39085 0.4% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 8 - 221.135.22.0/24 36157 0.4% AS9583 -- SIFY-AS-IN Sify Limited 9 - 210.18.10.0/24 35463 0.4% AS9583 -- SIFY-AS-IN Sify Limited 10 - 221.135.113.0/24 35328 0.4% AS9583 -- SIFY-AS-IN Sify Limited 11 - 203.101.87.0/24 21737 0.2% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 12 - 206.49.195.0/24 18204 0.2% AS18747 -- IFX-NW - IFX Communication Ventures, Inc. 13 - 83.228.59.0/24 17915 0.2% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 14 - 83.228.61.0/24 17844 0.2% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 15 - 83.228.71.0/24 17237 0.2% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 16 - 194.209.8.0/24 15212 0.2% AS3303 -- SWISSCOM Swisscom Solutions Ltd 17 - 90.80.16.0/24 14232 0.2% AS43830 -- ADECCO-ASN Adecco IT Services 18 - 196.219.236.0/24 14132 0.2% AS8452 -- TEDATA TEDATA 19 - 196.219.235.0/24 14123 0.2% AS8452 -- TEDATA TEDATA 20 - 196.219.234.0/24 14119 0.2% AS8452 -- TEDATA TEDATA 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