BGP Update Report Interval: 18-Feb-10 -to- 25-Feb-10 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS31055 19341 1.8% 6447.0 -- CONSULTIX-AS Consultix GmbH 2 - AS45983 11585 1.1% 1448.1 -- SKUNIV-AS-KR Seokyeong UNIV. 3 - AS35805 10339 1.0% 17.9 -- UTG-AS United Telecom AS 4 - AS9829 10116 1.0% 20.4 -- BSNL-NIB National Internet Backbone 5 - AS14420 9987 0.9% 26.6 -- CORPORACION NACIONAL DE TELECOMUNICACIONES CNT S.A. 6 - AS45408 9876 0.9% 4938.0 -- 7 - AS31810 9845 0.9% 273.5 -- AOTL-AS 8 - AS7738 9132 0.9% 19.2 -- Telecomunicacoes da Bahia S.A. 9 - AS36992 8660 0.8% 15.7 -- ETISALAT-MISR 10 - AS16569 8222 0.8% 4111.0 -- ASN-CITY-OF-CALGARY - City of Calgary 11 - AS17819 8217 0.8% 1369.5 -- ASN-EQUINIX-AP Equinix Asia Pacific 12 - AS29049 7924 0.8% 27.7 -- DELTA-TELECOM-AS Delta Telecom LTD. 13 - AS28878 7287 0.7% 1041.0 -- SIGNET-AS Signet B.V. 14 - AS26025 7281 0.7% 7281.0 -- COC - City of Calgary 15 - AS45769 7240 0.7% 144.8 -- DVOIS-IN No. 70, 2nd Floor, 9th Main, H.M.T. Main Road 16 - AS17974 6886 0.7% 10.4 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 17 - AS5800 6566 0.6% 24.8 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 18 - AS27097 5510 0.5% 1102.0 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center 19 - AS8151 5380 0.5% 6.1 -- Uninet S.A. de C.V. 20 - AS8452 5358 0.5% 8.9 -- TEDATA TEDATA TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS26025 7281 0.7% 7281.0 -- COC - City of Calgary 2 - AS31055 19341 1.8% 6447.0 -- CONSULTIX-AS Consultix GmbH 3 - AS45408 9876 0.9% 4938.0 -- 4 - AS16569 8222 0.8% 4111.0 -- ASN-CITY-OF-CALGARY - City of Calgary 5 - AS5691 2624 0.2% 2624.0 -- MITRE-AS-5 - The MITRE Corporation 6 - AS27245 1785 0.2% 1785.0 -- HEIDRICK-CHICAGO - HEIDRICK 7 - AS45983 11585 1.1% 1448.1 -- SKUNIV-AS-KR Seokyeong UNIV. 8 - AS17819 8217 0.8% 1369.5 -- ASN-EQUINIX-AP Equinix Asia Pacific 9 - AS27097 5510 0.5% 1102.0 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center 10 - AS28878 7287 0.7% 1041.0 -- SIGNET-AS Signet B.V. 11 - AS3220 644 0.1% 644.0 -- INTERNET-TECHNOLOGY-ADVISORS The AS formally known as EUnet Sweden 12 - AS28052 565 0.1% 565.0 -- Arte Radiotelevisivo Argentino 13 - AS45960 554 0.1% 554.0 -- YTLCOMMS-AS-AP YTL COMMUNICATIONS SDN BHD 14 - AS32794 546 0.1% 546.0 -- ICFG - International Church of the Foursquare Gospel 15 - AS27027 452 0.0% 452.0 -- ANBELL ASN-ANBELL 16 - AS10445 2611 0.2% 435.2 -- HTG - Huntleigh Telcom 17 - AS17964 4026 0.4% 402.6 -- DXTNET Beijing Dian-Xin-Tong Network Technologies Co., Ltd. 18 - AS12130 401 0.0% 401.0 -- BWCCLEC - Bandwidth.com CLEC LLC 19 - AS35291 793 0.1% 396.5 -- ICOMM-AS SC Internet Communication Systems SRL 20 - AS47961 345 0.0% 345.0 -- SATLINK SATLINK COMMUNICATIONS LTD . TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 62.168.199.0/24 19316 1.7% AS31055 -- CONSULTIX-AS Consultix GmbH 2 - 208.98.230.0/24 8221 0.7% AS16569 -- ASN-CITY-OF-CALGARY - City of Calgary 3 - 208.98.231.0/24 7281 0.6% AS26025 -- COC - City of Calgary 4 - 214.15.217.0/24 5372 0.5% AS27097 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center 5 - 193.177.160.0/23 5229 0.5% AS28878 -- SIGNET-AS Signet B.V. 6 - 114.70.96.0/24 4938 0.4% AS45408 -- 7 - 114.70.97.0/24 4938 0.4% AS45408 -- 8 - 121.65.245.0/24 3603 0.3% AS45983 -- SKUNIV-AS-KR Seokyeong UNIV. 9 - 199.114.154.0/24 3338 0.3% AS1733 -- CENTAF-SWA - 754th Electronic Systems Group 10 - 143.138.107.0/24 2963 0.3% AS747 -- TAEGU-AS - Headquarters, USAISC 11 - 202.167.253.0/24 2798 0.2% AS17819 -- ASN-EQUINIX-AP Equinix Asia Pacific 12 - 202.177.223.0/24 2798 0.2% AS17819 -- ASN-EQUINIX-AP Equinix Asia Pacific 13 - 192.12.120.0/24 2624 0.2% AS5691 -- MITRE-AS-5 - The MITRE Corporation 14 - 202.167.247.0/24 2606 0.2% AS17819 -- ASN-EQUINIX-AP Equinix Asia Pacific 15 - 91.208.167.0/24 2041 0.2% AS28878 -- SIGNET-AS Signet B.V. 16 - 203.249.122.0/24 1894 0.2% AS45983 -- SKUNIV-AS-KR Seokyeong UNIV. 17 - 63.84.91.0/24 1785 0.2% AS27245 -- HEIDRICK-CHICAGO - HEIDRICK 18 - 212.220.14.0/24 1645 0.1% AS34875 -- YANFES OJSC "Uralsviazinform" 19 - 117.17.148.0/24 1478 0.1% AS45983 -- SKUNIV-AS-KR Seokyeong UNIV. AS4766 -- KIXS-AS-KR Korea Telecom 20 - 210.110.40.0/22 1478 0.1% AS45983 -- SKUNIV-AS-KR Seokyeong UNIV. AS4766 -- KIXS-AS-KR Korea Telecom 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