BGP Update Report Interval: 03-Nov-08 -to- 04-Dec-08 (32 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 220468 1.9% 174.8 -- SIFY-AS-IN Sify Limited 2 - AS4538 206468 1.8% 40.7 -- ERX-CERNET-BKB China Education and Research Network Center 3 - AS6389 124316 1.1% 28.2 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 4 - AS29282 89169 0.8% 29723.0 -- EMENTOR-AS Enfo Oyj 5 - AS6629 85767 0.8% 1319.5 -- NOAA-AS - NOAA 6 - AS24863 82881 0.7% 121.3 -- LINKdotNET-AS 7 - AS1803 82320 0.7% 58.0 -- ICMNET-5 - Sprint 8 - AS10396 72006 0.6% 1241.5 -- COQUI-NET - DATACOM CARIBE, INC. 9 - AS209 71474 0.6% 23.1 -- ASN-QWEST - Qwest Communications Corporation 10 - AS8151 65993 0.6% 30.0 -- Uninet S.A. de C.V. 11 - AS20115 61091 0.5% 29.5 -- CHARTER-NET-HKY-NC - Charter Communications 12 - AS6478 59692 0.5% 34.0 -- ATT-INTERNET3 - AT&T WorldNet Services 13 - AS6458 52991 0.5% 120.2 -- Telgua 14 - AS6298 52316 0.5% 24.0 -- ASN-CXA-PH-6298-CBS - Cox Communications Inc. 15 - AS7643 50161 0.4% 31.1 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 16 - AS3462 49339 0.4% 238.4 -- HINET Data Communication Business Group 17 - AS2386 47910 0.4% 29.4 -- INS-AS - AT&T Data Communications Services 18 - AS1785 45772 0.4% 26.7 -- AS-PAETEC-NET - PaeTec Communications, Inc. 19 - AS17488 45056 0.4% 30.9 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 20 - AS4323 40246 0.3% 24.9 -- TWTC - tw telecom holdings, inc. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS29282 89169 0.8% 29723.0 -- EMENTOR-AS Enfo Oyj 2 - AS14106 37485 0.3% 18742.5 -- LEPMED01 - Leprechaun, LLC 3 - AS30287 4792 0.0% 4792.0 -- ALON-USA - ALON USA, LP 4 - AS41007 18173 0.2% 3634.6 -- CTCASTANA CTC ASTANA, KZ 5 - AS4130 16727 0.1% 3345.4 -- UPITT-AS - University of Pittsburgh 6 - AS32398 24113 0.2% 3014.1 -- REALNET-ASN-1 7 - AS15561 2972 0.0% 2972.0 -- CDS-ITALY C.D.S. Informatica S.r.l. 8 - AS46115 29419 0.3% 2941.9 -- LUTHER - Luther College 9 - AS47731 2873 0.0% 2873.0 -- ISDC-AS SC ISDC ROMANIA SRL 10 - AS23917 2680 0.0% 2680.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 11 - AS30306 12883 0.1% 2576.6 -- AfOL-Sz-AS 12 - AS30969 19941 0.2% 2492.6 -- TAN-NET TransAfrica Networks 13 - AS40194 2473 0.0% 2473.0 -- INHOUSE-ASSOCIATES-LC - Inhouse Associates, L.C. 14 - AS5033 21917 0.2% 2435.2 -- ISW - Internet Specialties West Inc. 15 - AS28519 7156 0.1% 2385.3 -- Universidad Autonoma de Guadalajara 16 - AS25799 2188 0.0% 2188.0 -- HOLMAN - Holman Enterprises 17 - AS14220 10896 0.1% 2179.2 -- I2A - I 20 Access 18 - AS43925 4211 0.0% 2105.5 -- MOLDCELL_AS Moldcell SA Autonomous System 19 - AS48131 2088 0.0% 2088.0 -- VANGUARD-BG-AS Vanguard SA 20 - AS31901 2079 0.0% 2079.0 -- THECHIMES - The Chimes, Inc. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 77.95.144.0/22 71550 0.6% AS29282 -- EMENTOR-AS Enfo Oyj 2 - 221.134.222.0/24 60545 0.5% AS9583 -- SIFY-AS-IN Sify Limited 3 - 210.214.151.0/24 58419 0.5% AS9583 -- SIFY-AS-IN Sify Limited 4 - 221.135.80.0/24 39086 0.3% AS9583 -- SIFY-AS-IN Sify Limited 5 - 124.7.201.0/24 30734 0.3% AS9583 -- SIFY-AS-IN Sify Limited 6 - 192.102.88.0/24 27336 0.2% AS6629 -- NOAA-AS - NOAA 7 - 192.35.129.0/24 27027 0.2% AS6629 -- NOAA-AS - NOAA 8 - 198.77.177.0/24 27007 0.2% AS6629 -- NOAA-AS - NOAA 9 - 41.204.2.0/24 23566 0.2% AS32398 -- REALNET-ASN-1 10 - 64.162.116.0/24 21754 0.2% AS5033 -- ISW - Internet Specialties West Inc. 11 - 8.192.154.0/24 20398 0.2% AS14106 -- LEPMED01 - Leprechaun, LLC 12 - 217.69.48.0/20 17600 0.1% AS29282 -- EMENTOR-AS Enfo Oyj 13 - 65.44.76.0/24 17087 0.1% AS14106 -- LEPMED01 - Leprechaun, LLC 14 - 150.212.224.0/19 16637 0.1% AS4130 -- UPITT-AS - University of Pittsburgh 15 - 192.12.120.0/24 16241 0.1% AS5691 -- MITRE-AS-5 - The MITRE Corporation 16 - 89.4.131.0/24 11785 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 17 - 203.63.26.0/24 11202 0.1% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 18 - 196.27.104.0/21 9627 0.1% AS30969 -- TAN-NET TransAfrica Networks 19 - 196.27.108.0/22 9585 0.1% AS30969 -- TAN-NET TransAfrica Networks 20 - 195.189.68.0/24 9066 0.1% AS41007 -- CTCASTANA CTC ASTANA, KZ 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