BGP Update Report Interval: 25-Nov-07 -to- 26-Dec-07 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9116 332851 4.0% 929.8 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 2 - AS17421 165303 2.0% 4591.8 -- EMOME-TW Long Distance & Mobile Business Group, 3 - AS8452 124431 1.5% 432.1 -- TEDATA TEDATA 4 - AS16637 106652 1.3% 1545.7 -- MTNNS-AS 5 - AS8866 94208 1.1% 328.3 -- BTC-AS Bulgarian Telecommunication Company Plc. 6 - AS9498 75648 0.9% 67.4 -- BBIL-AP BHARTI BT INTERNET LTD. 7 - AS9583 73331 0.9% 64.3 -- SIFY-AS-IN Sify Limited 8 - AS3815 71289 0.9% 10184.1 -- AQUILA - Aquila BBS Inc. 9 - AS3462 68381 0.8% 409.5 -- HINET Data Communication Business Group 10 - AS4755 61884 0.8% 40.8 -- VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System 11 - AS8151 59095 0.7% 36.7 -- Uninet S.A. de C.V. 12 - AS14390 59059 0.7% 937.4 -- CORENET - Coretel America, Inc. 13 - AS4782 57647 0.7% 4117.6 -- GSNET Data Communication Business Group 14 - AS17974 51649 0.6% 116.9 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 15 - AS9829 46789 0.6% 41.3 -- BSNL-NIB National Internet Backbone 16 - AS26829 42871 0.5% 42871.0 -- YKK-USA - YKK USA,INC 17 - AS702 41904 0.5% 41.7 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 18 - AS9121 41638 0.5% 195.5 -- TTNET TTnet Autonomous System 19 - AS24731 39993 0.5% 833.2 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 20 - AS4538 38819 0.5% 19.6 -- ERX-CERNET-BKB China Education and Research Network Center TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS26829 42871 0.5% 42871.0 -- YKK-USA - YKK USA,INC 2 - AS40474 22298 0.3% 22298.0 -- ABML-2 - Advantage Business Media, LLC 3 - AS22072 14025 0.2% 14025.0 -- DEFINITYHEALTH - Definity Health 4 - AS33447 11995 0.1% 11995.0 -- RPTCO-ASN-1 - RPT Consulting, Inc. 5 - AS3815 71289 0.9% 10184.1 -- AQUILA - Aquila BBS Inc. 6 - AS19334 7826 0.1% 7826.0 -- SPORTLINE-DBC - SPORTLINE 7 - AS6174 13563 0.2% 6781.5 -- SPRINTLINK8 - Sprint 8 - AS30929 5721 0.1% 5721.0 -- HUTCB Hidrotechnical Faculty - Technical University 9 - AS17421 165303 2.0% 4591.8 -- EMOME-TW Long Distance & Mobile Business Group, 10 - AS24160 4407 0.1% 4407.0 -- CHIMEI-AS Chi Mei Corporation 11 - AS23675 4382 0.1% 4382.0 -- TSMCGDN-AS-AP Taiwan Semiconductor Manufactoring Company, Ltd. 12 - AS4782 57647 0.7% 4117.6 -- GSNET Data Communication Business Group 13 - AS17540 4062 0.1% 4062.0 -- MTL-AP Modern Terminals Limited 14 - AS18410 3069 0.0% 3069.0 -- TW-104IT-AS 104 Information Technology Co., Ltd. 15 - AS10229 15113 0.2% 3022.6 -- YAHOO-TPE Internet Content Provider 16 - AS24506 12048 0.1% 3012.0 -- YAHOO-TP2-AP Yahoo! Taiwan Inc., 17 - AS23712 2997 0.0% 2997.0 -- ISC-TPE1 Internet Systems Consortium, Inc. 18 - AS19599 5070 0.1% 2535.0 -- COPYRIGHT - COPYRIGHT CLEARANCE CENTER 19 - AS13956 4808 0.1% 2404.0 -- 20 - AS40256 9550 0.1% 2387.5 -- ACS-HCMS-ASN - Affiliated Computer Services, Inc. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 209.163.125.0/24 57355 0.6% AS14390 -- CORENET - Coretel America, Inc. 2 - 192.96.14.0/24 49390 0.6% AS16637 -- MTNNS-AS 3 - 192.96.13.0/24 49385 0.6% AS16637 -- MTNNS-AS 4 - 12.108.254.0/24 42871 0.5% AS26829 -- YKK-USA - YKK USA,INC 5 - 83.228.59.0/24 32974 0.4% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 6 - 83.228.61.0/24 32112 0.4% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 7 - 203.101.87.0/24 28285 0.3% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 8 - 84.95.158.0/24 23724 0.3% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 9 - 84.95.159.0/24 23619 0.3% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 10 - 84.95.157.0/24 23282 0.3% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 11 - 84.95.156.0/24 22925 0.3% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 12 - 83.228.103.0/24 22508 0.2% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 13 - 84.95.155.0/24 22498 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 14 - 65.126.154.0/24 22298 0.2% AS40474 -- ABML-2 - Advantage Business Media, LLC 15 - 84.95.154.0/24 22223 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 16 - 64.79.128.0/19 22022 0.2% AS23005 -- SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC 17 - 84.95.152.0/24 21957 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 18 - 84.95.153.0/24 21080 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 19 - 84.95.151.0/24 21030 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 20 - 125.23.208.0/20 15858 0.2% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 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