BGP Update Report Interval: 25-Mar-10 -to- 01-Apr-10 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS30890 43018 4.0% 95.6 -- EVOLVA Evolva Telecom s.r.l. 2 - AS8452 14685 1.4% 22.5 -- TEDATA TEDATA 3 - AS9829 12720 1.2% 20.4 -- BSNL-NIB National Internet Backbone 4 - AS33475 11273 1.0% 48.0 -- RSN-1 - RockSolid Network, Inc. 5 - AS7643 11138 1.0% 36.4 -- VNPT-AS-VN Vietnam Posts and Telecommunications (VNPT) 6 - AS28477 10394 1.0% 1154.9 -- Universidad Autonoma del Esstado de Morelos 7 - AS35805 9516 0.9% 15.5 -- UTG-AS United Telecom AS 8 - AS12479 8925 0.8% 207.6 -- UNI2-AS Uni2 - Lince telecomunicaciones 9 - AS26025 8497 0.8% 8497.0 -- COC - City of Calgary 10 - AS16569 8082 0.8% 8082.0 -- ASN-CITY-OF-CALGARY - City of Calgary 11 - AS1785 5828 0.5% 3.5 -- AS-PAETEC-NET - PaeTec Communications, Inc. 12 - AS5800 5751 0.5% 29.5 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 13 - AS8151 5649 0.5% 6.0 -- Uninet S.A. de C.V. 14 - AS27066 5520 0.5% 22.2 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center 15 - AS33776 5402 0.5% 20.6 -- STARCOMMS-ASN 16 - AS17974 5303 0.5% 9.1 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 17 - AS11139 5060 0.5% 10.4 -- CWRIN CW BARBADOS 18 - AS20115 4962 0.5% 7.1 -- CHARTER-NET-HKY-NC - Charter Communications 19 - AS6713 4925 0.5% 41.4 -- IAM-AS 20 - AS4847 4661 0.4% 66.6 -- CNIX-AP China Networks Inter-Exchange TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS26025 8497 0.8% 8497.0 -- COC - City of Calgary 2 - AS16569 8082 0.8% 8082.0 -- ASN-CITY-OF-CALGARY - City of Calgary 3 - AS42214 2868 0.3% 2868.0 -- IWC-AS SC International Work Company SRL 4 - AS28477 10394 1.0% 1154.9 -- Universidad Autonoma del Esstado de Morelos 5 - AS5691 2250 0.2% 1125.0 -- MITRE-AS-5 - The MITRE Corporation 6 - AS22395 596 0.1% 596.0 -- GHCO-INTERNAP - Goldenberg Hehmeyer 7 - AS32794 1120 0.1% 560.0 -- ICFG - International Church of the Foursquare Gospel 8 - AS3 518 0.1% 18.0 -- LASERCRAFT Ural Electronics Factory Ltd. 9 - AS53353 920 0.1% 460.0 -- PROGRAMMERSAS1234 - Programmers Investment Corp 10 - AS35291 781 0.1% 390.5 -- ICOMM-AS SC Internet Communication Systems SRL 11 - AS38820 382 0.0% 382.0 -- THAIDEVINSURANCE-CSLOXINFO-AS-TH CSLOXINFO Project for Thai Development Insurance 12 - AS45960 359 0.0% 359.0 -- YTLCOMMS-AS-AP YTL COMMUNICATIONS SDN BHD 13 - AS10445 2132 0.2% 355.3 -- HTG - Huntleigh Telcom 14 - AS28052 345 0.0% 345.0 -- Arte Radiotelevisivo Argentino 15 - AS11613 332 0.0% 332.0 -- U-SAVE - U-Save Auto Rental of America, Inc. 16 - AS19647 4550 0.4% 303.3 -- HPOD20001 - Hewlett-Packard Operation Division 17 - AS25969 3359 0.3% 279.9 -- SLU - St. Louis University 18 - AS21135 521 0.1% 260.5 -- MTT-AS MTT AS (Russia) 19 - AS37932 230 0.0% 230.0 -- RMUTI-AS-AP Rajamangala University of Technology Isan 20 - AS9475 230 0.0% 230.0 -- WU-TH-AP Walailuk University TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 200.13.36.0/24 10306 0.9% AS28477 -- Universidad Autonoma del Esstado de Morelos 2 - 208.98.231.0/24 8497 0.7% AS26025 -- COC - City of Calgary 3 - 208.98.230.0/24 8082 0.7% AS16569 -- ASN-CITY-OF-CALGARY - City of Calgary 4 - 85.60.194.0/23 2909 0.2% AS12479 -- UNI2-AS Uni2 - Lince telecomunicaciones 5 - 89.42.72.0/21 2868 0.2% AS42214 -- IWC-AS SC International Work Company SRL 6 - 206.184.16.0/24 2826 0.2% AS174 -- COGENT Cogent/PSI 7 - 222.255.186.0/25 2702 0.2% AS7643 -- VNPT-AS-VN Vietnam Posts and Telecommunications (VNPT) 8 - 203.162.118.128/ 2677 0.2% AS7643 -- VNPT-AS-VN Vietnam Posts and Telecommunications (VNPT) 11 - 85.60.192.0/23 2269 0.2% AS12479 -- UNI2-AS Uni2 - Lince telecomunicaciones 12 - 192.12.120.0/24 2245 0.2% AS5691 -- MITRE-AS-5 - The MITRE Corporation 13 - 93.81.216.0/22 2018 0.2% AS8402 -- CORBINA-AS Corbina Telecom 14 - 85.204.64.0/23 1831 0.2% AS6746 -- ASTRAL UPC Romania Srl, Romania 15 - 143.138.107.0/24 1805 0.1% AS747 -- TAEGU-AS - Headquarters, USAISC 16 - 165.134.1.0/24 1665 0.1% AS25969 -- SLU - St. Louis University 17 - 165.134.200.0/21 1665 0.1% AS25969 -- SLU - St. Louis University 18 - 85.60.208.0/21 1364 0.1% AS12479 -- UNI2-AS Uni2 - Lince telecomunicaciones 19 - 85.60.208.0/22 1356 0.1% AS12479 -- UNI2-AS Uni2 - Lince telecomunicaciones 20 - 90.150.0.0/24 1271 0.1% AS35400 -- MFIST Interregoinal Organization Network Technologies 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