BGP Update Report Interval: 25-Feb-10 -to- 04-Mar-10 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS17974 23415 1.3% 24.9 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 2 - AS31055 19604 1.1% 4901.0 -- CONSULTIX-AS Consultix GmbH 3 - AS6389 18071 1.0% 4.4 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 4 - AS22047 17001 1.0% 32.0 -- VTR BANDA ANCHA S.A. 5 - AS8346 16405 0.9% 1261.9 -- SONATEL-AS Autonomous System 6 - AS4323 15913 0.9% 3.6 -- TWTC - tw telecom holdings, inc. 7 - AS9829 15820 0.9% 18.8 -- BSNL-NIB National Internet Backbone 8 - AS6429 15706 0.9% 119.0 -- Telmex Chile Internet S.A. 9 - AS8452 13657 0.8% 13.6 -- TEDATA TEDATA 10 - AS14420 13432 0.8% 33.5 -- CORPORACION NACIONAL DE TELECOMUNICACIONES CNT S.A. 11 - AS7303 12543 0.7% 17.6 -- Telecom Argentina S.A. 12 - AS6471 11434 0.7% 28.2 -- ENTEL CHILE S.A. 13 - AS14117 10265 0.6% 23.6 -- Telefonica del Sur S.A. 14 - AS20115 8861 0.5% 5.7 -- CHARTER-NET-HKY-NC - Charter Communications 15 - AS17908 8395 0.5% 10.9 -- TCISL Tata Communications 16 - AS8151 8364 0.5% 5.2 -- Uninet S.A. de C.V. 17 - AS16569 7995 0.5% 3997.5 -- ASN-CITY-OF-CALGARY - City of Calgary 18 - AS4755 7837 0.5% 6.0 -- TATACOMM-AS TATA Communications formerly VSNL is Leading ISP 19 - AS7545 7579 0.4% 7.7 -- TPG-INTERNET-AP TPG Internet Pty Ltd 20 - AS7018 7461 0.4% 4.7 -- ATT-INTERNET4 - AT&T WorldNet Services TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS31055 19604 1.1% 4901.0 -- CONSULTIX-AS Consultix GmbH 2 - AS16569 7995 0.5% 3997.5 -- ASN-CITY-OF-CALGARY - City of Calgary 3 - AS26025 6901 0.4% 3450.5 -- COC - City of Calgary 4 - AS7419 3938 0.2% 1969.0 -- MONMOUTH-AS - Monmouth University 5 - AS27097 5535 0.3% 1383.8 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center 6 - AS8346 16405 0.9% 1261.9 -- SONATEL-AS Autonomous System 7 - AS45985 3581 0.2% 1193.7 -- DAEWOOSEC Daewoo Securities Co., Ltd. 8 - AS1619 776 0.0% 776.0 -- PLANET-DATA - Planet Data Solutions, Inc. 9 - AS27245 1205 0.1% 602.5 -- HEIDRICK-CHICAGO - HEIDRICK 10 - AS45960 543 0.0% 543.0 -- YTLCOMMS-AS-AP YTL COMMUNICATIONS SDN BHD 11 - AS35291 877 0.1% 438.5 -- ICOMM-AS SC Internet Communication Systems SRL 12 - AS28052 350 0.0% 350.0 -- Arte Radiotelevisivo Argentino 13 - AS42220 319 0.0% 319.0 -- SIAPI-AS SIAPI NETWORKS AS NUMBER 14 - AS4103 284 0.0% 284.0 -- APPOC - Headquarters, USAISC 15 - AS8657 1364 0.1% 272.8 -- CPRM CPRM Autonomous System 16 - AS12837 268 0.0% 268.0 -- OLDBANK-NET JSB Starokievsky Bank 17 - AS32794 518 0.0% 259.0 -- ICFG - International Church of the Foursquare Gospel 18 - AS45653 1964 0.1% 245.5 -- ACURE-AS-AP aCure Technology, Data Centres, Perth 19 - AS35714 1185 0.1% 237.0 -- INFOSERVICE-UA Infoservice Comp Private Venture, Internet Service Provider 20 - AS27094 470 0.0% 235.0 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 62.168.199.0/24 19565 0.9% AS31055 -- CONSULTIX-AS Consultix GmbH 2 - 208.98.230.0/24 7991 0.4% AS16569 -- ASN-CITY-OF-CALGARY - City of Calgary 3 - 208.98.231.0/24 6898 0.3% AS26025 -- COC - City of Calgary 4 - 208.154.200.0/24 5481 0.3% AS8346 -- SONATEL-AS Autonomous System 5 - 208.144.230.0/24 5462 0.3% AS8346 -- SONATEL-AS Autonomous System 6 - 214.15.217.0/24 5430 0.3% AS27097 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center 7 - 208.154.199.0/24 5424 0.3% AS8346 -- SONATEL-AS Autonomous System 8 - 143.138.107.0/24 3434 0.2% AS747 -- TAEGU-AS - Headquarters, USAISC 9 - 199.114.154.0/24 3127 0.1% AS1733 -- CENTAF-SWA - 754th Electronic Systems Group 10 - 192.12.120.0/24 2545 0.1% AS5691 -- MITRE-AS-5 - The MITRE Corporation 11 - 41.235.80.0/24 2340 0.1% AS8452 -- TEDATA TEDATA 12 - 38.107.132.0/22 2122 0.1% AS7419 -- MONMOUTH-AS - Monmouth University 13 - 155.94.80.0/24 2006 0.1% AS17003 -- AHP - WYETH-AYERST/AMERICAN HOME PRODUCTS 14 - 24.38.48.0/22 1816 0.1% AS7419 -- MONMOUTH-AS - Monmouth University 15 - 212.220.14.0/24 1494 0.1% AS34875 -- YANFES OJSC "Uralsviazinform" 16 - 41.210.192.0/18 1367 0.1% AS37081 -- movicel-as AS8657 -- CPRM CPRM Autonomous System 17 - 63.84.91.0/24 1201 0.1% AS27245 -- HEIDRICK-CHICAGO - HEIDRICK 18 - 210.92.10.0/24 1195 0.1% AS45985 -- DAEWOOSEC Daewoo Securities Co., Ltd. 19 - 210.92.4.0/24 1195 0.1% AS45985 -- DAEWOOSEC Daewoo Securities Co., Ltd. 20 - 123.140.107.0/24 1191 0.1% AS45985 -- DAEWOOSEC Daewoo Securities Co., 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