BGP Update Report Interval: 24-Sep-07 -to- 25-Oct-07 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 467986 5.1% 400.0 -- SIFY-AS-IN Sify Limited 2 - AS16637 159019 1.7% 3614.1 -- MTNNS-AS 3 - AS9498 124404 1.4% 118.1 -- BBIL-AP BHARTI BT INTERNET LTD. 4 - AS4621 76855 0.8% 519.3 -- UNSPECIFIED UNINET-TH 5 - AS8151 76667 0.8% 46.4 -- Uninet S.A. de C.V. 6 - AS43403 63301 0.7% 31650.5 -- SVIAZ-PLUS-AS LLC "Sviaz Plus" 7 - AS15611 61361 0.7% 632.6 -- Iranian Research Organisation 8 - AS4750 52462 0.6% 237.4 -- CSLOXINFO-ISP-AS-AP CSLOXINFO Public Company Limited. 9 - AS10275 46671 0.5% 23335.5 -- AS-UNITEDNETWORK - ABS-CBN International 10 - AS14390 45483 0.5% 827.0 -- CORENET - Coretel America, Inc. 11 - AS8866 44740 0.5% 159.8 -- BTC-AS Bulgarian Telecommunication Company Plc. 12 - AS9835 44360 0.5% 349.3 -- GITS-TH-AS-AP Government Information Technology Services 13 - AS17974 43882 0.5% 114.6 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA 14 - AS702 42559 0.5% 66.4 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 15 - AS12975 42004 0.5% 531.7 -- PALTEL-AS PALTEL Autonomous System 16 - AS24731 41743 0.5% 869.6 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 17 - AS4134 41407 0.5% 36.9 -- CHINANET-BACKBONE No.31,Jin-rong Street 18 - AS7018 40908 0.5% 26.3 -- ATT-INTERNET4 - AT&T WorldNet Services 19 - AS4538 39484 0.4% 19.0 -- ERX-CERNET-BKB China Education and Research Network Center 20 - AS6478 39427 0.4% 33.9 -- ATT-INTERNET3 - AT&T WorldNet Services TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS26829 33544 0.4% 33544.0 -- YKK-USA - YKK USA,INC 2 - AS43403 63301 0.7% 31650.5 -- SVIAZ-PLUS-AS LLC "Sviaz Plus" 3 - AS10275 46671 0.5% 23335.5 -- AS-UNITEDNETWORK - ABS-CBN International 4 - AS17540 21670 0.2% 21670.0 -- MTL-AP Modern Terminals Limited 5 - AS34382 12266 0.1% 12266.0 -- ASSYRUS-SRL-AS Assyrus Srl Maintainer 6 - AS43830 13523 0.1% 6761.5 -- ADECCO-ASN Adecco IT Services 7 - AS36011 11375 0.1% 5687.5 -- AHSYS-ASN - Atlantic Health System 8 - AS30707 14606 0.2% 4868.7 -- 9 - AS16637 159019 1.7% 3614.1 -- MTNNS-AS 10 - AS38240 3366 0.0% 3366.0 -- CALYONFINANCIAL-AS-JP Calyon Financial, Inc. 11 - AS20007 3293 0.0% 3293.0 -- AS-ALOGI - ALOGIENT INC. 12 - AS28813 3043 0.0% 3043.0 -- VECERNJI-AS Vecernji list d.d. 13 - AS31671 2843 0.0% 2843.0 -- AKTINFOSYS AKT Informationssysteme AG 14 - AS28733 8208 0.1% 2736.0 -- AVIGAL-AS IT master LLC 15 - AS6174 5099 0.1% 2549.5 -- SPRINTLINK8 - Sprint 16 - AS38242 2359 0.0% 2359.0 -- FORTIS-AU-AS Fortis Clearing Sydney 17 - AS31596 14052 0.1% 2342.0 -- WPPS-AS WPP Service GmbH & Co. KG Frankfurt AS 18 - AS33356 4518 0.1% 2259.0 -- EAGLE-TECH - Eagle-Tech Systems 19 - AS31949 1879 0.0% 1879.0 -- APEXDIGITAL - Apex Digital 20 - AS17216 7471 0.1% 1867.8 -- VERITECT-EAST - Veritect TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.96.14.0/24 79070 0.8% AS16637 -- MTNNS-AS 2 - 192.96.13.0/24 79037 0.8% AS16637 -- MTNNS-AS 3 - 221.135.22.0/24 56272 0.6% AS9583 -- SIFY-AS-IN Sify Limited 4 - 221.135.113.0/24 54909 0.6% AS9583 -- SIFY-AS-IN Sify Limited 5 - 210.18.10.0/24 54005 0.6% AS9583 -- SIFY-AS-IN Sify Limited 6 - 203.101.87.0/24 49240 0.5% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 7 - 209.163.125.0/24 43953 0.5% AS14390 -- CORENET - Coretel America, Inc. 8 - 83.228.103.0/24 36854 0.4% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 9 - 12.108.254.0/24 33544 0.3% AS26829 -- YKK-USA - YKK USA,INC 10 - 202.56.250.0/24 33287 0.3% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 11 - 193.46.60.0/24 31768 0.3% AS43403 -- SVIAZ-PLUS-AS LLC "Sviaz Plus" 12 - 91.194.244.0/24 31533 0.3% AS43403 -- SVIAZ-PLUS-AS LLC "Sviaz Plus" 13 - 210.214.173.0/24 28528 0.3% AS9583 -- SIFY-AS-IN Sify Limited 14 - 210.214.177.0/24 25334 0.3% AS9583 -- SIFY-AS-IN Sify Limited 15 - 221.135.77.0/24 24937 0.2% AS9583 -- SIFY-AS-IN Sify Limited 16 - 210.214.211.0/24 24930 0.2% AS9583 -- SIFY-AS-IN Sify Limited 17 - 210.214.172.0/24 24912 0.2% AS9583 -- SIFY-AS-IN Sify Limited 18 - 210.214.210.0/24 24892 0.2% AS9583 -- SIFY-AS-IN Sify Limited 19 - 210.214.221.0/24 24855 0.2% AS9583 -- SIFY-AS-IN Sify Limited 20 - 210.214.220.0/24 24826 0.2% AS9583 -- SIFY-AS-IN Sify Limited 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