BGP Update Report Interval: 05-Nov-08 -to- 06-Dec-08 (32 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS4538 232133 1.9% 45.7 -- ERX-CERNET-BKB China Education and Research Network Center 2 - AS9583 228435 1.9% 180.9 -- SIFY-AS-IN Sify Limited 3 - AS6389 130689 1.1% 29.6 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 4 - AS29282 101489 0.8% 33829.7 -- EMENTOR-AS Enfo Oyj 5 - AS1803 94573 0.8% 66.6 -- ICMNET-5 - Sprint 6 - AS6629 84972 0.7% 1307.3 -- NOAA-AS - NOAA 7 - AS6298 83856 0.7% 38.4 -- ASN-CXA-PH-6298-CBS - Cox Communications Inc. 8 - AS24863 83220 0.7% 121.8 -- LINKdotNET-AS 9 - AS8151 73001 0.6% 33.2 -- Uninet S.A. de C.V. 10 - AS209 71988 0.6% 23.2 -- ASN-QWEST - Qwest Communications Corporation 11 - AS20115 63026 0.5% 30.4 -- CHARTER-NET-HKY-NC - Charter Communications 12 - AS6478 61690 0.5% 35.2 -- ATT-INTERNET3 - AT&T WorldNet Services 13 - AS4323 54750 0.5% 12.9 -- TWTC - tw telecom holdings, inc. 14 - AS6458 54576 0.5% 121.8 -- Telgua 15 - AS7643 52459 0.4% 32.4 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 16 - AS2386 51415 0.4% 31.0 -- INS-AS - AT&T Data Communications Services 17 - AS3462 49113 0.4% 244.3 -- HINET Data Communication Business Group 18 - AS17488 48606 0.4% 33.4 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 19 - AS1785 45555 0.4% 26.6 -- AS-PAETEC-NET - PaeTec Communications, Inc. 20 - AS35805 42761 0.3% 206.6 -- UTG-AS United Telecom AS TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS29282 101489 0.8% 33829.7 -- EMENTOR-AS Enfo Oyj 2 - AS14106 32024 0.3% 16012.0 -- LEPMED01 - Leprechaun, LLC 3 - AS30287 4928 0.0% 4928.0 -- ALON-USA - ALON USA, LP 4 - AS30306 19541 0.2% 3908.2 -- AfOL-Sz-AS 5 - AS41007 18540 0.1% 3708.0 -- CTCASTANA CTC ASTANA, KZ 6 - AS46115 36509 0.3% 3650.9 -- LUTHER - Luther College 7 - AS4130 16771 0.1% 3354.2 -- UPITT-AS - University of Pittsburgh 8 - AS32398 26554 0.2% 3319.2 -- REALNET-ASN-1 9 - AS15561 2969 0.0% 2969.0 -- CDS-ITALY C.D.S. Informatica S.r.l. 10 - AS23917 2755 0.0% 2755.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 11 - AS47731 2735 0.0% 2735.0 -- ISDC-AS SC ISDC ROMANIA SRL 12 - AS30969 21860 0.2% 2732.5 -- TAN-NET TransAfrica Networks 13 - AS5033 21730 0.2% 2414.4 -- ISW - Internet Specialties West Inc. 14 - AS28519 7180 0.1% 2393.3 -- Universidad Autonoma de Guadalajara 15 - AS43925 4293 0.0% 2146.5 -- MOLDCELL_AS Moldcell SA Autonomous System 16 - AS48131 2096 0.0% 2096.0 -- VANGUARD-BG-AS Vanguard SA 17 - AS31901 2083 0.0% 2083.0 -- THECHIMES - The Chimes, Inc. 18 - AS25799 2000 0.0% 2000.0 -- HOLMAN - Holman Enterprises 19 - AS19017 1988 0.0% 1988.0 -- QUALCOMM-QWBS-LV - Qualcomm Wireless Business Solutions 20 - AS149 1725 0.0% 1725.0 -- DNIC - DoD Network Information Center TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 77.95.144.0/22 71003 0.6% AS29282 -- EMENTOR-AS Enfo Oyj 2 - 221.134.222.0/24 60022 0.5% AS9583 -- SIFY-AS-IN Sify Limited 3 - 210.214.151.0/24 58695 0.5% AS9583 -- SIFY-AS-IN Sify Limited 4 - 221.135.80.0/24 38881 0.3% AS9583 -- SIFY-AS-IN Sify Limited 5 - 124.7.201.0/24 34334 0.3% AS9583 -- SIFY-AS-IN Sify Limited 6 - 217.69.48.0/20 30450 0.2% AS29282 -- EMENTOR-AS Enfo Oyj 7 - 192.102.88.0/24 27094 0.2% AS6629 -- NOAA-AS - NOAA 8 - 192.35.129.0/24 26804 0.2% AS6629 -- NOAA-AS - NOAA 9 - 198.77.177.0/24 26722 0.2% AS6629 -- NOAA-AS - NOAA 10 - 41.204.2.0/24 25863 0.2% AS32398 -- REALNET-ASN-1 11 - 64.162.116.0/24 21556 0.2% AS5033 -- ISW - Internet Specialties West Inc. 12 - 8.192.154.0/24 17463 0.1% AS14106 -- LEPMED01 - Leprechaun, LLC 13 - 150.212.224.0/19 16681 0.1% AS4130 -- UPITT-AS - University of Pittsburgh 14 - 192.12.120.0/24 16423 0.1% AS5691 -- MITRE-AS-5 - The MITRE Corporation 15 - 65.44.76.0/24 14561 0.1% AS14106 -- LEPMED01 - Leprechaun, LLC 16 - 89.4.131.0/24 11665 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 17 - 203.63.26.0/24 11403 0.1% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 18 - 196.27.104.0/21 10553 0.1% AS30969 -- TAN-NET TransAfrica Networks 19 - 196.27.108.0/22 10508 0.1% AS30969 -- TAN-NET TransAfrica Networks 20 - 195.189.68.0/24 9247 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