BGP Update Report Interval: 24-Mar-08 -to- 24-Apr-08 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9498 98654 1.3% 82.2 -- BBIL-AP BHARTI BT INTERNET LTD. 2 - AS9583 77229 1.0% 65.8 -- SIFY-AS-IN Sify Limited 3 - AS24731 65871 0.9% 784.2 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 4 - AS8866 53641 0.7% 175.3 -- BTC-AS Bulgarian Telecommunication Company Plc. 5 - AS8151 49214 0.7% 30.1 -- Uninet S.A. de C.V. 6 - AS2386 47664 0.6% 32.8 -- INS-AS - AT&T Data Communications Services 7 - AS26829 45851 0.6% 45851.0 -- YKK-USA - YKK USA,INC 8 - AS9198 44557 0.6% 100.8 -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration 9 - AS17974 41735 0.6% 90.1 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 10 - AS7738 33878 0.5% 114.5 -- Telecomunicacoes da Bahia S.A. 11 - AS6140 33191 0.5% 47.4 -- IMPSAT-USA - ImpSat USA, Inc. 12 - AS7018 33093 0.5% 21.9 -- ATT-INTERNET4 - AT&T WorldNet Services 13 - AS4755 29980 0.4% 18.3 -- VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System 14 - AS4795 29286 0.4% 103.1 -- INDOSAT2-ID INDOSATM2 ASN 15 - AS20115 29003 0.4% 23.2 -- CHARTER-NET-HKY-NC - Charter Communications 16 - AS9829 27725 0.4% 41.2 -- BSNL-NIB National Internet Backbone 17 - AS702 27725 0.4% 49.5 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 18 - AS17488 26920 0.4% 24.7 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 19 - AS6306 25525 0.3% 543.1 -- Telcel, C.A 20 - AS11492 23438 0.3% 19.2 -- CABLEONE - CABLE ONE TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS26829 45851 0.6% 45851.0 -- YKK-USA - YKK USA,INC 2 - AS19334 20417 0.3% 20417.0 -- SPORTLINE-DBC - SPORTLINE 3 - AS17487 19317 0.3% 19317.0 -- ICBCASIA-AP Industrial and Commercial Bank 4 - AS19017 15717 0.2% 15717.0 -- QUALCOMM-QWBS-LV - Qualcomm Wireless Business Solutions 5 - AS30929 8794 0.1% 8794.0 -- HUTCB Hidrotechnical Faculty - Technical University 6 - AS42787 22936 0.3% 7645.3 -- MMIP-AS MultiMedia IP Ltd. 7 - AS42923 5870 0.1% 5870.0 -- PLK-AS PLK AS Number 8 - AS44656 4779 0.1% 4779.0 -- HOLOSFIND-ROMANIA HOLOSFIND SRL 9 - AS15136 4576 0.1% 4576.0 -- AS-NSPOF - NSPOF Communications Inc 10 - AS14895 12570 0.2% 4190.0 -- LAWSON-SOFTWARE - Lawson Software 11 - AS23082 17481 0.2% 3496.2 -- MPHI - Michigan Public Health Institute 12 - AS7257 6666 0.1% 3333.0 -- PREMIERE-GLOBAL-SERVICES-INC - Premiere Global Services, Inc. 13 - AS25024 3276 0.0% 3276.0 -- DECEUNINCK-PLASTICS Deceuninck Plastics Autonomous System 14 - AS29225 2590 0.0% 2590.0 -- TAIF-TELCOM-AS JSC TAIF-TELCOM 15 - AS36975 2431 0.0% 2431.0 -- CBA-AS 16 - AS39105 2389 0.0% 2389.0 -- CLASS-AS SC Class Computers And Service SRL 17 - AS28282 2147 0.0% 2147.0 -- DW7 CENTRO DE DADOS LTDA 18 - AS34378 1867 0.0% 1867.0 -- RUG-AS Razgulay Group 19 - AS21291 1788 0.0% 1788.0 -- OMEGABANK 8 Dragatsaniou str 20 - AS9747 13998 0.2% 1749.8 -- EZINTERNET-AS-AP EZInternet Pty Ltd TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 125.23.208.0/20 64352 0.8% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 2 - 213.91.175.0/24 45907 0.6% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 3 - 12.108.254.0/24 45851 0.6% AS26829 -- YKK-USA - YKK USA,INC 4 - 221.135.80.0/24 31863 0.4% AS9583 -- SIFY-AS-IN Sify Limited 5 - 193.33.184.0/23 22880 0.3% AS42787 -- MMIP-AS MultiMedia IP Ltd. 6 - 84.23.96.0/19 20571 0.3% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) AS34400 -- ASN-ETTIHADETISALAT Etihad Etisalat 7 - 63.169.11.0/24 20417 0.3% AS19334 -- SPORTLINE-DBC - SPORTLINE 8 - 220.241.83.0/24 19317 0.2% AS17487 -- ICBCASIA-AP Industrial and Commercial Bank 9 - 221.128.192.0/18 18875 0.2% AS18231 -- EXATT-AS-AP Exatt Technologies Private Ltd. 10 - 84.23.100.0/24 17919 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) AS34400 -- ASN-ETTIHADETISALAT Etihad Etisalat 11 - 124.7.192.0/24 16972 0.2% AS9583 -- SIFY-AS-IN Sify Limited 12 - 64.79.128.0/19 16740 0.2% AS23005 -- SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC 13 - 63.82.84.0/24 15717 0.2% AS19017 -- QUALCOMM-QWBS-LV - Qualcomm Wireless Business Solutions 14 - 203.63.26.0/24 13916 0.2% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 15 - 81.180.108.0/24 8794 0.1% AS30929 -- HUTCB Hidrotechnical Faculty - Technical University 16 - 89.4.128.0/24 8594 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 17 - 125.57.60.0/24 8489 0.1% AS18306 -- MASANHANANET-AS-KR HANANET 18 - 89.4.130.0/24 8216 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 19 - 89.4.131.0/24 8053 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 20 - 203.101.87.0/24 7654 0.1% 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