BGP Update Report Interval: 15-Oct-07 -to- 15-Nov-07 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS8452 236412 2.8% 731.9 -- TEDATA TEDATA 2 - AS16637 176594 2.1% 2487.2 -- MTNNS-AS 3 - AS8866 152479 1.8% 550.5 -- BTC-AS Bulgarian Telecommunication Company Plc. 4 - AS9583 130832 1.6% 112.6 -- SIFY-AS-IN Sify Limited 5 - AS288 101767 1.2% 841.0 -- European Space Agency 6 - AS5583 92027 1.1% 1460.7 -- GIPNL Equant Benelux AS 7 - AS33783 75378 0.9% 593.5 -- EEPAD 8 - AS3215 68184 0.8% 104.6 -- AS3215 France Telecom - Orange 9 - AS9498 67483 0.8% 63.0 -- BBIL-AP BHARTI BT INTERNET LTD. 10 - AS8151 60452 0.7% 45.8 -- Uninet S.A. de C.V. 11 - AS14390 52659 0.6% 940.3 -- 12 - AS4621 51998 0.6% 346.7 -- UNSPECIFIED UNINET-TH 13 - AS4755 51798 0.6% 34.6 -- VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System 14 - AS17540 50222 0.6% 50222.0 -- MTL-AP Modern Terminals Limited 15 - AS12975 45762 0.5% 572.0 -- PALTEL-AS PALTEL Autonomous System 16 - AS26829 44072 0.5% 44072.0 -- 17 - AS24731 43509 0.5% 925.7 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 18 - AS702 40687 0.5% 66.2 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 19 - AS9835 39781 0.5% 313.2 -- GITS-TH-AS-AP Government Information Technology Services 20 - AS4750 36812 0.4% 161.5 -- CSLOXINFO-ISP-AS-AP CSLOXINFO Public Company Limited. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS17540 50222 0.6% 50222.0 -- MTL-AP Modern Terminals Limited 2 - AS26829 44072 0.5% 44072.0 -- 3 - AS22072 13360 0.2% 13360.0 -- 4 - AS42704 10021 0.1% 10021.0 -- ELITENETWORK-AS SC Elite Network Communications SRL 5 - AS43830 19813 0.2% 9906.5 -- ADECCO-ASN Adecco IT Services 6 - AS33356 15124 0.2% 7562.0 -- 7 - AS19334 7160 0.1% 7160.0 -- 8 - AS38240 6330 0.1% 6330.0 -- CALYONFINANCIAL-AS-JP Calyon Financial, Inc. 9 - AS10275 11268 0.1% 5634.0 -- 10 - AS38242 4257 0.1% 4257.0 -- FORTIS-AU-AS Fortis Clearing Sydney 11 - AS34382 3389 0.0% 3389.0 -- ASSYRUS-SRL-AS Assyrus Srl Maintainer 12 - AS36011 6192 0.1% 3096.0 -- 13 - AS13956 5692 0.1% 2846.0 -- 14 - AS30707 8373 0.1% 2791.0 -- 15 - AS33618 7558 0.1% 2519.3 -- 16 - AS16637 176594 2.1% 2487.2 -- MTNNS-AS 17 - AS12611 6839 0.1% 2279.7 -- RKOM R-KOM Regensburger Telekommunikations GmbH & Co. KG 18 - AS31942 4350 0.1% 2175.0 -- 19 - AS31671 2003 0.0% 2003.0 -- AKTINFOSYS AKT Informationssysteme AG 20 - AS28813 1988 0.0% 1988.0 -- VECERNJI-AS Vecernji list d.d. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.96.14.0/24 83388 0.9% AS16637 -- MTNNS-AS 2 - 192.96.13.0/24 83383 0.9% AS16637 -- MTNNS-AS 3 - 83.228.103.0/24 66280 0.7% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 4 - 209.163.125.0/24 51466 0.6% AS14390 -- 5 - 203.83.127.0/24 50222 0.6% AS17540 -- MTL-AP Modern Terminals Limited 6 - 125.23.208.0/20 44115 0.5% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 7 - 12.108.254.0/24 44072 0.5% AS26829 -- 8 - 83.228.61.0/24 27363 0.3% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 9 - 83.228.59.0/24 27358 0.3% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 10 - 83.228.71.0/24 26558 0.3% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 11 - 210.18.10.0/24 26005 0.3% AS9583 -- SIFY-AS-IN Sify Limited 12 - 221.135.22.0/24 23642 0.3% AS9583 -- SIFY-AS-IN Sify Limited 13 - 221.135.113.0/24 23114 0.3% AS9583 -- SIFY-AS-IN Sify Limited 14 - 196.219.236.0/24 20005 0.2% AS8452 -- TEDATA TEDATA 15 - 196.219.234.0/24 19991 0.2% AS8452 -- TEDATA TEDATA 16 - 196.219.235.0/24 19979 0.2% AS8452 -- TEDATA TEDATA 17 - 196.219.244.0/24 19976 0.2% AS8452 -- TEDATA TEDATA 18 - 196.219.245.0/24 19971 0.2% AS8452 -- TEDATA TEDATA 19 - 196.219.246.0/24 19970 0.2% AS8452 -- TEDATA TEDATA 20 - 196.219.249.0/24 19970 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