BGP Update Report Interval: 20-Oct-06 -to- 02-Nov-06 (14 days) Observation Point: BGP Peering with AS4637 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS13156 18671 1.7% 296.4 -- AS13156 Cabovisao,SA 2 - AS14117 10967 1.0% 45.7 -- Telefonica del Sur S.A. 3 - AS17557 10721 1.0% 29.1 -- PKTELECOM-AS-AP Pakistan Telecom 4 - AS4323 10566 1.0% 10.2 -- TWTC - Time Warner Telecom, Inc. 5 - AS33783 9313 0.8% 84.7 -- EEPAD 6 - AS7303 8864 0.8% 41.0 -- Telecom Argentina S.A. 7 - AS9121 8759 0.8% 85.0 -- TTNET TTnet Autonomous System 8 - AS4621 8200 0.8% 60.7 -- UNSPECIFIED UNINET-TH 9 - AS34695 7026 0.6% 127.7 -- E4A-AS E4A Primary AS 10 - AS2854 7018 0.6% 200.5 -- ROSPRINT-AS &Equant Russia AS 11 - AS11492 6893 0.6% 18.0 -- CABLEONE - CABLE ONE 12 - AS6471 6700 0.6% 30.0 -- ENTEL CHILE S.A. 13 - AS7011 6461 0.6% 9.1 -- FRONTIER-AND-CITIZENS - Frontier Communications, Inc. 14 - AS28751 6416 0.6% 34.9 -- CAUCASUS-NET-AS Caucasus Network Tbilisi, Georgia 15 - AS12497 6186 0.6% 123.7 -- SANET-GE SANET NETWORK (AS) 16 - AS3602 6161 0.6% 11.6 -- AS3602-RTI - Rogers Telecom Inc. 17 - AS30890 6144 0.6% 29.7 -- EVOLVA Evolva Telecom 18 - AS702 5944 0.5% 19.7 -- AS702 MCI EMEA - Commercial IP service provider in Europe 19 - AS6629 5523 0.5% 83.7 -- NOAA-AS - NOAA 20 - AS14699 5402 0.5% 600.2 -- BTCBCI - Bloomingdale Communications Inc TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS3043 3104 0.3% 3104.0 -- AMPHIB-AS - Amphibian Media Corporation 2 - AS31594 3073 0.3% 3073.0 -- FORTESS-AS Fortess LLC Network 3 - AS39250 1436 0.1% 1436.0 -- COLOPROVIDER-AS Colo Provider 4 - AS26460 2206 0.2% 1103.0 -- CERTEGY-INC - CERTEGY INC. 5 - AS34378 907 0.1% 907.0 -- RUG-AS Razguliay-UKRROS Group 6 - AS1258 650 0.1% 650.0 -- XKL-NET-AS - XKL Systems Corporation 7 - AS18173 640 0.1% 640.0 -- AKU-AS-PK Aga Khan University 8 - AS5310 1807 0.2% 602.3 -- DODNIC - DoD Network Information Center 9 - AS14699 5402 0.5% 600.2 -- BTCBCI - Bloomingdale Communications Inc 10 - AS32937 1180 0.1% 590.0 -- CAC-FOR-THE-DEAF-AND-HARD-OF-HEARING - Communication Access Center for the Deaf and Hard of Hearing, Inc. 11 - AS30517 3999 0.4% 571.3 -- GREAT-LAKES-COMNET - Great Lakes Comnet, Inc. 12 - AS11904 555 0.1% 555.0 -- ALLENTEL - Allendale Telephone Company 13 - AS33188 1103 0.1% 551.5 -- SCS-NETWORK-1 - Sono Corporate Suites 14 - AS34723 1032 0.1% 516.0 -- RNT-AS SC Real Network and Telecomunications SRL 15 - AS30095 468 0.0% 468.0 -- NYCMEC - MediaEdge-CIA 16 - AS32225 413 0.0% 413.0 -- MCGRAW-BCM - McGraw Communications 17 - AS30597 2040 0.2% 408.0 -- AMBEST-ASN - A.M. Best Company 18 - AS14548 394 0.0% 394.0 -- LISTEN-SF-1 - Listen.com 19 - AS41212 389 0.0% 389.0 -- CARCADE Carcade Network Tupolev Plaza 20 - AS12953 381 0.0% 381.0 -- REUTERS-AS REUTERS TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 209.140.24.0/24 3104 0.2% AS3043 -- AMPHIB-AS - Amphibian Media Corporation 2 - 194.242.124.0/22 3073 0.2% AS31594 -- FORTESS-AS Fortess LLC Network 3 - 203.199.128.0/19 2444 0.2% AS4755 -- VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System 4 - 194.42.208.0/20 1754 0.1% AS705 -- ALTERNET-AS - UUNET Technologies, Inc. 5 - 205.109.192.0/24 1440 0.1% AS747 -- TAEGU-AS - DoD Network Information Center 6 - 83.98.220.0/23 1436 0.1% AS39250 -- COLOPROVIDER-AS Colo Provider 7 - 217.129.168.0/21 1353 0.1% AS13156 -- AS13156 Cabovisao,SA 8 - 143.81.0.0/21 1191 0.1% AS6034 -- DDN-ASNBLK - DoD Network Information Center 9 - 205.105.128.0/20 1148 0.1% AS5839 -- DDN-ASNBLK - DoD Network Information Center 10 - 216.189.252.0/24 1103 0.1% AS26460 -- CERTEGY-INC - CERTEGY INC. 11 - 216.189.253.0/24 1103 0.1% AS26460 -- CERTEGY-INC - CERTEGY INC. 12 - 217.129.192.0/21 1028 0.1% AS13156 -- AS13156 Cabovisao,SA 13 - 86.106.200.0/22 1016 0.1% AS34723 -- RNT-AS SC Real Network and Telecomunications SRL 14 - 143.81.159.0/24 962 0.1% AS6034 -- DDN-ASNBLK - DoD Network Information Center 15 - 217.129.128.0/20 961 0.1% AS13156 -- AS13156 Cabovisao,SA 16 - 217.129.200.0/21 939 0.1% AS13156 -- AS13156 Cabovisao,SA 17 - 217.129.48.0/20 919 0.1% AS13156 -- AS13156 Cabovisao,SA 18 - 217.129.112.0/20 919 0.1% AS13156 -- AS13156 Cabovisao,SA 19 - 217.129.96.0/21 913 0.1% AS13156 -- AS13156 Cabovisao,SA 20 - 217.129.104.0/21 913 0.1% AS13156 -- AS13156 Cabovisao,SA 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 ausnog@ausnog.net