BGP Update Report Interval: 19-Nov-07 -to- 20-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 308870 4.0% 865.2 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 2 - AS8452 246578 3.2% 850.3 -- TEDATA TEDATA 3 - AS16637 143952 1.8% 2056.5 -- MTNNS-AS 4 - AS8866 109431 1.4% 381.3 -- BTC-AS Bulgarian Telecommunication Company Plc. 5 - AS9498 71922 0.9% 64.0 -- BBIL-AP BHARTI BT INTERNET LTD. 6 - AS3815 67555 0.9% 9650.7 -- AQUILA - Aquila BBS Inc. 7 - AS9583 66295 0.8% 58.2 -- SIFY-AS-IN Sify Limited 8 - AS4755 63076 0.8% 41.8 -- VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System 9 - AS14390 55508 0.7% 881.1 -- CORENET - Coretel America, Inc. 10 - AS8151 49876 0.6% 31.0 -- Uninet S.A. de C.V. 11 - AS17974 44938 0.6% 102.1 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 12 - AS26407 44500 0.6% 1648.1 -- CAROLINANET-AS - CAROLINANET a division of Guilford Communications Inc. 13 - AS9829 43791 0.6% 38.7 -- BSNL-NIB National Internet Backbone 14 - AS26829 42742 0.6% 42742.0 -- YKK-USA - YKK USA,INC 15 - AS702 42089 0.5% 41.9 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 16 - AS9121 40813 0.5% 191.6 -- TTNET TTnet Autonomous System 17 - AS24731 40207 0.5% 837.6 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 18 - AS7018 35676 0.5% 22.6 -- ATT-INTERNET4 - AT&T WorldNet Services 19 - AS4134 32979 0.4% 29.0 -- CHINANET-BACKBONE No.31,Jin-rong Street 20 - AS4538 32369 0.4% 16.3 -- 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 42742 0.6% 42742.0 -- YKK-USA - YKK USA,INC 2 - AS22072 20863 0.3% 20863.0 -- DEFINITYHEALTH - Definity Health 3 - AS40474 16352 0.2% 16352.0 -- ABML-2 - Advantage Business Media, LLC 4 - AS33447 14856 0.2% 14856.0 -- RPTCO-ASN-1 - RPT Consulting, Inc. 5 - AS17540 14518 0.2% 14518.0 -- MTL-AP Modern Terminals Limited 6 - AS3815 67555 0.9% 9650.7 -- AQUILA - Aquila BBS Inc. 7 - AS6174 17186 0.2% 8593.0 -- SPRINTLINK8 - Sprint 8 - AS9747 14612 0.2% 7306.0 -- EZINTERNET-AS-AP EZInternet Pty Ltd 9 - AS19334 6842 0.1% 6842.0 -- SPORTLINE-DBC - SPORTLINE 10 - AS30929 6687 0.1% 6687.0 -- HUTCB Hidrotechnical Faculty - Technical University 11 - AS12687 13711 0.2% 4570.3 -- URAN URAN Autonomous system 12 - AS14453 14151 0.2% 3537.8 -- NETSURF - NetSurf Inc. 13 - AS32650 3191 0.0% 3191.0 -- SANDHILLS-SW - SANDHILLS PUBLISHING 14 - AS40256 11106 0.1% 2776.5 -- ACS-HCMS-ASN - Affiliated Computer Services, Inc. 15 - AS26114 2742 0.0% 2742.0 -- ICCM-ASN - Indian Creek Capital Management, LLC 16 - AS13956 5194 0.1% 2597.0 -- 17 - AS28876 2206 0.0% 2206.0 -- SUEC-DACOR-AS suec // dacor GmbH - ISP Coburg, Germany 18 - AS39107 4133 0.1% 2066.5 -- INTERLAN-AS Asociatia Interlan 19 - AS16637 143952 1.8% 2056.5 -- MTNNS-AS 20 - AS30064 16109 0.2% 1789.9 -- EVANSINET - EvansInet TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.96.14.0/24 66026 0.8% AS16637 -- MTNNS-AS 2 - 192.96.13.0/24 66020 0.8% AS16637 -- MTNNS-AS 3 - 209.163.125.0/24 53594 0.6% AS14390 -- CORENET - Coretel America, Inc. 4 - 12.108.254.0/24 42742 0.5% AS26829 -- YKK-USA - YKK USA,INC 5 - 83.228.59.0/24 36025 0.4% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 6 - 83.228.61.0/24 35382 0.4% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 7 - 83.228.103.0/24 28102 0.3% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 8 - 64.79.128.0/19 22838 0.3% AS23005 -- SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC 9 - 125.23.208.0/20 21014 0.2% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 10 - 84.95.158.0/24 20993 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 11 - 84.95.159.0/24 20865 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 12 - 12.106.30.0/24 20863 0.2% AS22072 -- DEFINITYHEALTH - Definity Health 13 - 84.95.157.0/24 20580 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 14 - 84.95.156.0/24 20300 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 15 - 203.101.87.0/24 20017 0.2% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 16 - 84.95.155.0/24 19921 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 17 - 84.95.154.0/24 19775 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 18 - 84.95.152.0/24 19495 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 19 - 84.95.153.0/24 18667 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 20 - 84.95.151.0/24 18638 0.2% AS9116 -- GOLDENLINES-ASN Golden Lines Main Autonomous System 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