BGP Update Report Interval: 01-Oct-07 -to- 01-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 376365 4.7% 320.6 -- SIFY-AS-IN Sify Limited 2 - AS16637 171683 2.1% 3901.9 -- MTNNS-AS 3 - AS9498 109852 1.4% 104.6 -- BBIL-AP BHARTI BT INTERNET LTD. 4 - AS8866 71237 0.9% 255.3 -- BTC-AS Bulgarian Telecommunication Company Plc. 5 - AS8151 66950 0.8% 50.7 -- Uninet S.A. de C.V. 6 - AS4621 65522 0.8% 442.7 -- UNSPECIFIED UNINET-TH 7 - AS8452 62140 0.8% 188.3 -- TEDATA TEDATA 8 - AS15611 59876 0.7% 617.3 -- Iranian Research Organisation 9 - AS4750 51354 0.6% 229.3 -- CSLOXINFO-ISP-AS-AP CSLOXINFO Public Company Limited. 10 - AS9835 48969 0.6% 385.6 -- GITS-TH-AS-AP Government Information Technology Services 11 - AS14390 48826 0.6% 887.7 -- CORENET - Coretel America, Inc. 12 - AS26829 43170 0.5% 43170.0 -- YKK-USA - YKK USA,INC 13 - AS24731 42413 0.5% 883.6 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 14 - AS12975 42391 0.5% 529.9 -- PALTEL-AS PALTEL Autonomous System 15 - AS702 41732 0.5% 65.7 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 16 - AS28885 38009 0.5% 1407.7 -- OMANTEL-NAP-AS OmanTel NAP 17 - AS17974 37966 0.5% 80.4 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA 18 - AS43403 37629 0.5% 18814.5 -- SVIAZ-PLUS-AS LLC "Sviaz Plus" 19 - AS10275 36020 0.5% 18010.0 -- AS-UNITEDNETWORK - ABS-CBN International 20 - AS17540 34990 0.4% 34990.0 -- MTL-AP Modern Terminals Limited TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS26829 43170 0.5% 43170.0 -- YKK-USA - YKK USA,INC 2 - AS17540 34990 0.4% 34990.0 -- MTL-AP Modern Terminals Limited 3 - AS43403 37629 0.5% 18814.5 -- SVIAZ-PLUS-AS LLC "Sviaz Plus" 4 - AS10275 36020 0.5% 18010.0 -- AS-UNITEDNETWORK - ABS-CBN International 5 - AS43830 19734 0.2% 9867.0 -- ADECCO-ASN Adecco IT Services 6 - AS34382 9404 0.1% 9404.0 -- ASSYRUS-SRL-AS Assyrus Srl Maintainer 7 - AS36011 10218 0.1% 5109.0 -- AHSYS-ASN - Atlantic Health System 8 - AS42704 4945 0.1% 4945.0 -- ELITENETWORK-AS SC Elite Network Communications SRL 9 - AS30707 14583 0.2% 4861.0 -- 10 - AS22072 4475 0.1% 4475.0 -- DEFINITYHEALTH - Definity Health 11 - AS38240 4367 0.1% 4367.0 -- CALYONFINANCIAL-AS-JP Calyon Financial, Inc. 12 - AS16637 171683 2.1% 3901.9 -- MTNNS-AS 13 - AS38242 3342 0.0% 3342.0 -- FORTIS-AU-AS Fortis Clearing Sydney 14 - AS28813 2984 0.0% 2984.0 -- VECERNJI-AS Vecernji list d.d. 15 - AS31671 2834 0.0% 2834.0 -- AKTINFOSYS AKT Informationssysteme AG 16 - AS6174 5061 0.1% 2530.5 -- SPRINTLINK8 - Sprint 17 - AS31596 14034 0.2% 2339.0 -- WPPS-AS WPP Service GmbH & Co. KG Frankfurt AS 18 - AS17216 8381 0.1% 2095.2 -- VERITECT-EAST - Veritect 19 - AS21998 3970 0.1% 1985.0 -- SETA - SETA 20 - AS22203 11419 0.1% 1903.2 -- NAVITAIRE - Navitaire, Inc. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.96.14.0/24 85436 1.0% AS16637 -- MTNNS-AS 2 - 192.96.13.0/24 85414 1.0% AS16637 -- MTNNS-AS 3 - 83.228.103.0/24 51979 0.6% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 4 - 221.135.22.0/24 48982 0.6% AS9583 -- SIFY-AS-IN Sify Limited 5 - 210.18.10.0/24 48630 0.6% AS9583 -- SIFY-AS-IN Sify Limited 6 - 221.135.113.0/24 47801 0.6% AS9583 -- SIFY-AS-IN Sify Limited 7 - 209.163.125.0/24 47678 0.5% AS14390 -- CORENET - Coretel America, Inc. 8 - 12.108.254.0/24 43170 0.5% AS26829 -- YKK-USA - YKK USA,INC 9 - 203.101.87.0/24 35619 0.4% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 10 - 203.83.127.0/24 34990 0.4% AS17540 -- MTL-AP Modern Terminals Limited 11 - 125.23.208.0/20 25265 0.3% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 12 - 210.214.173.0/24 24066 0.3% AS9583 -- SIFY-AS-IN Sify Limited 13 - 202.56.250.0/24 19822 0.2% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 14 - 206.49.195.0/24 18985 0.2% AS18747 -- IFX-NW - IFX Communication Ventures, Inc. 15 - 193.46.60.0/24 18902 0.2% AS43403 -- SVIAZ-PLUS-AS LLC "Sviaz Plus" 16 - 91.194.244.0/24 18727 0.2% AS43403 -- SVIAZ-PLUS-AS LLC "Sviaz Plus" 17 - 208.235.229.0/24 18010 0.2% AS10275 -- AS-UNITEDNETWORK - ABS-CBN International 18 - 208.235.225.0/24 18010 0.2% AS10275 -- AS-UNITEDNETWORK - ABS-CBN International 19 - 210.214.177.0/24 16862 0.2% AS9583 -- SIFY-AS-IN Sify Limited 20 - 221.135.77.0/24 16651 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