BGP Update Report Interval: 03-Dec-09 -to- 10-Dec-09 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS8452 29130 1.0% 24.1 -- TEDATA TEDATA 2 - AS4323 27436 0.9% 6.2 -- TWTC - tw telecom holdings, inc. 3 - AS6389 26286 0.9% 6.2 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 4 - AS8151 20654 0.7% 12.9 -- Uninet S.A. de C.V. 5 - AS7643 18283 0.6% 39.5 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 6 - AS35805 17304 0.6% 33.1 -- UTG-AS United Telecom AS 7 - AS17488 15302 0.5% 10.4 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 8 - AS9198 14136 0.5% 29.9 -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration 9 - AS20115 14112 0.5% 9.2 -- CHARTER-NET-HKY-NC - Charter Communications 10 - AS5800 13579 0.5% 71.1 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 11 - AS29049 13359 0.5% 45.9 -- DELTA-TELECOM-AS Delta Telecom LTD. 12 - AS14420 13323 0.5% 36.3 -- CORPORACION NACIONAL DE TELECOMUNICACIONES CNT S.A. 13 - AS17974 12481 0.4% 14.1 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 14 - AS9829 12150 0.4% 14.1 -- BSNL-NIB National Internet Backbone 15 - AS7018 12045 0.4% 7.5 -- ATT-INTERNET4 - AT&T WorldNet Services 16 - AS7738 11978 0.4% 27.8 -- Telecomunicacoes da Bahia S.A. 17 - AS1785 11964 0.4% 6.7 -- AS-PAETEC-NET - PaeTec Communications, Inc. 18 - AS4766 11550 0.4% 6.0 -- KIXS-AS-KR Korea Telecom 19 - AS28477 10785 0.4% 1198.3 -- Universidad Autonoma del Esstado de Morelos 20 - AS11492 10696 0.4% 9.3 -- CABLEONE - CABLE ONE, INC. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS48754 2926 0.1% 2926.0 -- SOBIS-AS SC SOBIS SOLUTIONS SRL 2 - AS39384 1696 0.1% 1696.0 -- GUILAN-UNIV-AS University of Guilan AS System 3 - AS37035 4186 0.1% 1395.3 -- MIC-AS 4 - AS28477 10785 0.4% 1198.3 -- Universidad Autonoma del Esstado de Morelos 5 - AS36239 1173 0.0% 1173.0 -- EXIGEN-CANADA - Exigen Canada 6 - AS4 1155 0.0% 533.0 -- Konecta, S. de R.L. de C.V. 7 - AS14251 1680 0.1% 840.0 -- MLSLI - Multiple Lising Service of Long Island, Inc. 8 - AS41368 705 0.0% 705.0 -- TVALMANSA-ASN TV ALMANSA, Servicios de Comunicacion 9 - AS22919 1368 0.1% 684.0 -- PCCNET - Portland Community College 10 - AS12732 6412 0.2% 582.9 -- bbTT GmbH 11 - AS33648 984 0.0% 492.0 -- ELEPHANT - ColoFlorida / Elephant Outlook 12 - AS39803 956 0.0% 478.0 -- UTI-AS SC UTI COMMUNICATIONS SYSTEMS SRL 13 - AS6009 421 0.0% 421.0 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 14 - AS28150 1239 0.0% 413.0 -- 15 - AS37786 688 0.0% 344.0 -- 16 - AS6822 10455 0.4% 316.8 -- SUPERONLINE-AS SuperOnline autonomous system 17 - AS43818 307 0.0% 307.0 -- MELLAT-AS bankmellat 18 - AS28052 303 0.0% 303.0 -- Arte Radiotelevisivo Argentino 19 - AS3944 767 0.0% 255.7 -- PARTAN-LAB - Partan & Partan 20 - AS27563 1245 0.0% 249.0 -- SCANA - SCANA COMMUNICATIONS INC TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 200.13.36.0/24 10689 0.4% AS28477 -- Universidad Autonoma del Esstado de Morelos 2 - 212.42.236.0/24 5694 0.2% AS12732 -- bbTT GmbH 3 - 203.162.118.128/ 4515 0.1% AS7643 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 4 - 89.144.140.0/24 4233 0.1% AS39308 -- ASK-AS Andishe Sabz Khazar Autonomous System AS39384 -- GUILAN-UNIV-AS University of Guilan AS System 5 - 41.222.179.0/24 4150 0.1% AS37035 -- MIC-AS 6 - 143.138.107.0/24 3116 0.1% AS747 -- TAEGU-AS - Headquarters, USAISC 7 - 91.212.23.0/24 2926 0.1% AS48754 -- SOBIS-AS SC SOBIS SOLUTIONS SRL 8 - 222.255.186.0/25 2846 0.1% AS7643 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 9 - 202.177.223.0/24 2430 0.1% AS17819 -- ASN-EQUINIX-AP Equinix Asia Pacific 12 - 192.12.120.0/24 2190 0.1% AS5691 -- MITRE-AS-5 - The MITRE Corporation 13 - 202.167.247.0/24 1803 0.1% AS17819 -- ASN-EQUINIX-AP Equinix Asia Pacific 14 - 212.253.13.0/24 1739 0.1% AS6822 -- SUPERONLINE-AS SuperOnline autonomous system 15 - 212.253.7.0/24 1739 0.1% AS6822 -- SUPERONLINE-AS SuperOnline autonomous system 16 - 212.253.6.0/24 1738 0.1% AS6822 -- SUPERONLINE-AS SuperOnline autonomous system 17 - 212.253.0.0/17 1681 0.1% AS6822 -- SUPERONLINE-AS SuperOnline autonomous system 18 - 212.253.192.0/18 1677 0.1% AS6822 -- SUPERONLINE-AS SuperOnline autonomous system 19 - 65.223.235.0/24 1674 0.1% AS14251 -- MLSLI - Multiple Lising Service of Long Island, Inc. 20 - 212.253.20.0/24 1665 0.1% AS6822 -- SUPERONLINE-AS SuperOnline autonomous system 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