BGP Update Report Interval: 13-Oct-08 -to- 13-Nov-08 (32 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 192824 1.6% 169.3 -- SIFY-AS-IN Sify Limited 2 - AS4538 185313 1.5% 36.4 -- ERX-CERNET-BKB China Education and Research Network Center 3 - AS10396 153901 1.3% 2653.5 -- COQUI-NET - DATACOM CARIBE, INC. 4 - AS6389 130178 1.1% 29.5 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 5 - AS1803 89603 0.8% 63.6 -- ICMNET-5 - Sprint 6 - AS6629 85589 0.7% 1316.8 -- NOAA-AS - NOAA 7 - AS20115 66122 0.6% 29.6 -- CHARTER-NET-HKY-NC - Charter Communications 8 - AS23126 64323 0.5% 278.5 -- CENTURYTEL-SOLUTIONS-LLC - CenturyTel Solutions, LLC 9 - AS8151 62013 0.5% 43.1 -- Uninet S.A. de C.V. 10 - AS209 58003 0.5% 18.3 -- ASN-QWEST - Qwest Communications Corporation 11 - AS6298 56546 0.5% 26.7 -- ASN-CXA-PH-6298-CBS - Cox Communications Inc. 12 - AS2386 52486 0.4% 31.8 -- INS-AS - AT&T Data Communications Services 13 - AS29282 47473 0.4% 15824.3 -- EMENTOR-AS Enfo Oyj 14 - AS9051 45081 0.4% 280.0 -- IDM Autonomous System 15 - AS34116 43926 0.4% 439.3 -- CYBER-AS Cyber Net AS 16 - AS7643 43390 0.4% 24.5 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 17 - AS1785 42164 0.3% 24.6 -- AS-PAETEC-NET - PaeTec Communications, Inc. 18 - AS14106 41600 0.3% 20800.0 -- LEPMED01 - Leprechaun, LLC 19 - AS6458 41193 0.3% 97.2 -- Telgua 20 - AS17488 40525 0.3% 26.2 -- HATHWAY-NET-AP Hathway IP Over Cable Internet TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS14106 41600 0.3% 20800.0 -- LEPMED01 - Leprechaun, LLC 2 - AS29282 47473 0.4% 15824.3 -- EMENTOR-AS Enfo Oyj 3 - AS14593 14797 0.1% 14797.0 -- BRAND-INSTITUTE - Brand Instiute, Inc. 4 - AS43299 13760 0.1% 13760.0 -- TELECONTACT-AS Telecontact Ltd. 5 - AS22492 25284 0.2% 8428.0 -- 6 - AS37026 15335 0.1% 7667.5 -- SALT-ASN 7 - AS30287 5813 0.1% 5813.0 -- ALON-USA - ALON USA, LP 8 - AS40194 4229 0.0% 4229.0 -- INHOUSE-ASSOCIATES-LC - Inhouse Associates, L.C. 9 - AS14220 18062 0.1% 3612.4 -- I2A - I 20 Access 10 - AS4130 16410 0.1% 3282.0 -- UPITT-AS - University of Pittsburgh 11 - AS30969 26091 0.2% 3261.4 -- TAN-NET TransAfrica Networks 12 - AS41007 16046 0.1% 3209.2 -- CTCASTANA CTC ASTANA, KZ 13 - AS21603 30105 0.2% 3010.5 -- Universidad La Salle, AC 14 - AS25799 3001 0.0% 3001.0 -- HOLMAN - Holman Enterprises 15 - AS5691 38614 0.3% 2970.3 -- MITRE-AS-5 - The MITRE Corporation 16 - AS5033 25159 0.2% 2795.4 -- ISW - Internet Specialties West Inc. 17 - AS10396 153901 1.3% 2653.5 -- COQUI-NET - DATACOM CARIBE, INC. 18 - AS23917 2334 0.0% 2334.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 19 - AS22247 2036 0.0% 2036.0 -- LETOURNEAUUNIVERSITY - LeTourneau University 20 - AS48131 2020 0.0% 2020.0 -- VANGUARD-BG-AS Vanguard SA TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 221.134.222.0/24 62636 0.5% AS9583 -- SIFY-AS-IN Sify Limited 2 - 210.214.151.0/24 59751 0.5% AS9583 -- SIFY-AS-IN Sify Limited 3 - 221.135.80.0/24 42657 0.3% AS9583 -- SIFY-AS-IN Sify Limited 4 - 192.12.120.0/24 38228 0.3% AS5691 -- MITRE-AS-5 - The MITRE Corporation 5 - 194.126.143.0/24 35011 0.3% AS9051 -- IDM Autonomous System 6 - 77.95.144.0/22 33245 0.3% AS29282 -- EMENTOR-AS Enfo Oyj 7 - 200.33.104.0/23 29597 0.2% AS21603 -- Universidad La Salle, AC 8 - 192.102.88.0/24 27198 0.2% AS6629 -- NOAA-AS - NOAA 9 - 192.35.129.0/24 26950 0.2% AS6629 -- NOAA-AS - NOAA 10 - 198.77.177.0/24 26932 0.2% AS6629 -- NOAA-AS - NOAA 11 - 12.2.46.0/24 25239 0.2% AS22492 -- 12 - 64.162.116.0/24 24935 0.2% AS5033 -- ISW - Internet Specialties West Inc. 13 - 221.128.192.0/18 23082 0.2% AS18231 -- EXATT-AS-AP IOL NETCOM LTD 14 - 8.192.154.0/24 22681 0.2% AS14106 -- LEPMED01 - Leprechaun, LLC 15 - 65.44.76.0/24 18919 0.1% AS14106 -- LEPMED01 - Leprechaun, LLC 16 - 150.212.224.0/19 16291 0.1% AS4130 -- UPITT-AS - University of Pittsburgh 17 - 72.50.96.0/20 14905 0.1% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 18 - 196.42.0.0/20 14871 0.1% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 19 - 12.8.7.0/24 14797 0.1% AS14593 -- BRAND-INSTITUTE - Brand Instiute, Inc. 20 - 217.69.48.0/20 14206 0.1% AS29282 -- EMENTOR-AS Enfo Oyj 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