BGP Update Report Interval: 11-Mar-10 -to- 18-Mar-10 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS665 99574 8.9% 1059.3 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center 2 - AS45985 23578 2.1% 5894.5 -- DAEWOOSEC Daewoo Securities Co., Ltd. 3 - AS14420 17434 1.6% 44.4 -- CORPORACION NACIONAL DE TELECOMUNICACIONES CNT S.A. 4 - AS30890 15750 1.4% 35.6 -- EVOLVA Evolva Telecom s.r.l. 5 - AS9829 13664 1.2% 27.7 -- BSNL-NIB National Internet Backbone 6 - AS31055 13155 1.2% 3288.8 -- CONSULTIX-AS Consultix GmbH 7 - AS35805 12226 1.1% 20.7 -- UTG-AS United Telecom AS 8 - AS9808 10983 1.0% 24.4 -- CMNET-GD Guangdong Mobile Communication Co.Ltd. 9 - AS12479 10423 0.9% 694.9 -- UNI2-AS Uni2 - Lince telecomunicaciones 10 - AS8452 9035 0.8% 18.0 -- TEDATA TEDATA 11 - AS16569 8216 0.7% 8216.0 -- ASN-CITY-OF-CALGARY - City of Calgary 12 - AS33776 8174 0.7% 29.0 -- STARCOMMS-ASN 13 - AS7738 7862 0.7% 16.5 -- Telecomunicacoes da Bahia S.A. 14 - AS26025 7195 0.7% 7195.0 -- COC - City of Calgary 15 - AS20115 7025 0.6% 8.5 -- CHARTER-NET-HKY-NC - Charter Communications 16 - AS27747 6408 0.6% 37.3 -- Telecentro S.A. 17 - AS1659 6067 0.5% 19.9 -- ERX-TANET-ASN1 Tiawan Academic Network (TANet) Information Center 18 - AS10052 5951 0.5% 2975.5 -- KNU-AS Kyungpook National Univ. 19 - AS17974 5867 0.5% 8.5 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 20 - AS27097 5815 0.5% 1453.8 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS16569 8216 0.7% 8216.0 -- ASN-CITY-OF-CALGARY - City of Calgary 2 - AS26025 7195 0.7% 7195.0 -- COC - City of Calgary 3 - AS45985 23578 2.1% 5894.5 -- DAEWOOSEC Daewoo Securities Co., Ltd. 4 - AS31055 13155 1.2% 3288.8 -- CONSULTIX-AS Consultix GmbH 5 - AS10052 5951 0.5% 2975.5 -- KNU-AS Kyungpook National Univ. 6 - AS27097 5815 0.5% 1453.8 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center 7 - AS665 99574 8.9% 1059.3 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center 8 - AS22395 968 0.1% 968.0 -- GHCO-INTERNAP - Goldenberg Hehmeyer 9 - AS5691 2630 0.2% 876.7 -- MITRE-AS-5 - The MITRE Corporation 10 - AS12479 10423 0.9% 694.9 -- UNI2-AS Uni2 - Lince telecomunicaciones 11 - AS5554 653 0.1% 653.0 -- INTEGRA Integra Information Co. Ltd 12 - AS31496 615 0.1% 615.0 -- ATNET-AS ATNET Autonomous System 13 - AS35400 1082 0.1% 541.0 -- MFIST Interregoinal Organization Network Technologies 14 - AS45960 502 0.1% 502.0 -- YTLCOMMS-AS-AP YTL COMMUNICATIONS SDN BHD 15 - AS28052 496 0.0% 496.0 -- Arte Radiotelevisivo Argentino 16 - AS8346 2569 0.2% 428.2 -- SONATEL-AS Autonomous System 17 - AS32794 400 0.0% 400.0 -- ICFG - International Church of the Foursquare Gospel 18 - AS34875 2293 0.2% 382.2 -- YANFES OJSC "Uralsviazinform" 19 - AS18399 1409 0.1% 352.2 -- BAGAN-TRANSIT-AS Bagan Cybertech IDC & Teleport International Transit 20 - AS35291 651 0.1% 325.5 -- ICOMM-AS SC Internet Communication Systems SRL TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 62.168.199.0/24 13100 1.1% AS31055 -- CONSULTIX-AS Consultix GmbH 2 - 208.98.230.0/24 8216 0.7% AS16569 -- ASN-CITY-OF-CALGARY - City of Calgary 3 - 208.98.231.0/24 7195 0.6% AS26025 -- COC - City of Calgary 4 - 155.230.0.0/16 5927 0.5% AS10052 -- KNU-AS Kyungpook National Univ. 5 - 210.92.10.0/24 5895 0.5% AS45985 -- DAEWOOSEC Daewoo Securities Co., Ltd. 6 - 210.92.6.0/24 5895 0.5% AS45985 -- DAEWOOSEC Daewoo Securities Co., Ltd. 7 - 210.92.4.0/24 5895 0.5% AS45985 -- DAEWOOSEC Daewoo Securities Co., Ltd. 8 - 123.140.107.0/24 5893 0.5% AS45985 -- DAEWOOSEC Daewoo Securities Co., Ltd. 9 - 214.15.217.0/24 5673 0.5% AS27097 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center 10 - 41.235.80.0/24 5590 0.5% AS8452 -- TEDATA TEDATA 11 - 199.114.154.0/24 3567 0.3% AS1733 -- CENTAF-SWA - 754th Electronic Systems Group 12 - 85.60.192.0/23 3060 0.3% AS12479 -- UNI2-AS Uni2 - Lince telecomunicaciones 13 - 206.184.16.0/24 2874 0.2% AS174 -- COGENT Cogent/PSI 14 - 205.101.192.0/24 2658 0.2% AS665 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center 15 - 205.109.96.0/20 2658 0.2% AS665 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center 16 - 205.109.208.0/20 2657 0.2% AS665 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center 17 - 205.109.160.0/19 2651 0.2% AS665 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center 18 - 205.110.243.0/24 2647 0.2% AS665 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center 19 - 205.101.66.0/24 2646 0.2% AS665 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center 20 - 199.121.123.0/24 2638 0.2% AS665 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center 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