BGP Update Report Interval: 27-Oct-08 -to- 27-Nov-08 (32 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS4538 252085 1.8% 49.7 -- ERX-CERNET-BKB China Education and Research Network Center 2 - AS9583 214247 1.6% 178.7 -- SIFY-AS-IN Sify Limited 3 - AS6389 149692 1.1% 33.8 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 4 - AS10396 133984 1.0% 2310.1 -- COQUI-NET - DATACOM CARIBE, INC. 5 - AS1803 92457 0.7% 65.0 -- ICMNET-5 - Sprint 6 - AS24863 87976 0.6% 130.1 -- LINKdotNET-AS 7 - AS209 87816 0.6% 28.0 -- ASN-QWEST - Qwest Communications Corporation 8 - AS29282 84487 0.6% 28162.3 -- EMENTOR-AS Enfo Oyj 9 - AS6629 82966 0.6% 1276.4 -- NOAA-AS - NOAA 10 - AS6298 78393 0.6% 35.8 -- ASN-CXA-PH-6298-CBS - Cox Communications Inc. 11 - AS8151 77243 0.6% 35.1 -- Uninet S.A. de C.V. 12 - AS20115 73975 0.5% 35.6 -- CHARTER-NET-HKY-NC - Charter Communications 13 - AS23126 61169 0.5% 262.5 -- CENTURYTEL-SOLUTIONS-LLC - CenturyTel Solutions, LLC 14 - AS1785 57403 0.4% 33.4 -- AS-PAETEC-NET - PaeTec Communications, Inc. 15 - AS2386 57115 0.4% 35.0 -- INS-AS - AT&T Data Communications Services 16 - AS17488 54430 0.4% 37.4 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 17 - AS3462 51294 0.4% 250.2 -- HINET Data Communication Business Group 18 - AS6478 50954 0.4% 30.0 -- ATT-INTERNET3 - AT&T WorldNet Services 19 - AS7018 50053 0.4% 33.6 -- ATT-INTERNET4 - AT&T WorldNet Services 20 - AS4323 49971 0.4% 31.0 -- TWTC - tw telecom holdings, inc. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS29282 84487 0.6% 28162.3 -- EMENTOR-AS Enfo Oyj 2 - AS14106 45703 0.3% 22851.5 -- LEPMED01 - Leprechaun, LLC 3 - AS30287 4758 0.0% 4758.0 -- ALON-USA - ALON USA, LP 4 - AS40194 3900 0.0% 3900.0 -- INHOUSE-ASSOCIATES-LC - Inhouse Associates, L.C. 5 - AS28194 17903 0.1% 3580.6 -- 6 - AS14220 17184 0.1% 3436.8 -- I2A - I 20 Access 7 - AS41007 16674 0.1% 3334.8 -- CTCASTANA CTC ASTANA, KZ 8 - AS4130 16562 0.1% 3312.4 -- UPITT-AS - University of Pittsburgh 9 - AS5033 27181 0.2% 3020.1 -- ISW - Internet Specialties West Inc. 10 - AS25799 2923 0.0% 2923.0 -- HOLMAN - Holman Enterprises 11 - AS47731 2628 0.0% 2628.0 -- ISDC-AS SC ISDC ROMANIA SRL 12 - AS30969 20782 0.1% 2597.8 -- TAN-NET TransAfrica Networks 13 - AS23917 2503 0.0% 2503.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 14 - AS10396 133984 1.0% 2310.1 -- COQUI-NET - DATACOM CARIBE, INC. 15 - AS48131 2072 0.0% 2072.0 -- VANGUARD-BG-AS Vanguard SA 16 - AS8266 1909 0.0% 1909.0 -- NEXUSTEL Nexus Telecommunications 17 - AS21764 3427 0.0% 1713.5 -- ESOFTINC-NET - eSoft, Inc. 18 - AS43299 1590 0.0% 1590.0 -- TELECONTACT-AS Telecontact Ltd. 19 - AS14620 1576 0.0% 1576.0 -- ITALK - iTalk Global Communications, Inc. 20 - AS22247 1533 0.0% 1533.0 -- LETOURNEAUUNIVERSITY - LeTourneau University TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 77.95.144.0/22 64151 0.5% AS29282 -- EMENTOR-AS Enfo Oyj 2 - 221.134.222.0/24 62147 0.4% AS9583 -- SIFY-AS-IN Sify Limited 3 - 210.214.151.0/24 57883 0.4% AS9583 -- SIFY-AS-IN Sify Limited 4 - 221.135.80.0/24 39274 0.3% AS9583 -- SIFY-AS-IN Sify Limited 5 - 64.162.116.0/24 26905 0.2% AS5033 -- ISW - Internet Specialties West Inc. 6 - 192.102.88.0/24 26330 0.2% AS6629 -- NOAA-AS - NOAA 7 - 198.77.177.0/24 26015 0.2% AS6629 -- NOAA-AS - NOAA 8 - 192.35.129.0/24 25952 0.2% AS6629 -- NOAA-AS - NOAA 9 - 8.192.154.0/24 24903 0.2% AS14106 -- LEPMED01 - Leprechaun, LLC 10 - 65.44.76.0/24 20800 0.1% AS14106 -- LEPMED01 - Leprechaun, LLC 11 - 217.69.48.0/20 20308 0.1% AS29282 -- EMENTOR-AS Enfo Oyj 12 - 124.7.201.0/24 18082 0.1% AS9583 -- SIFY-AS-IN Sify Limited 13 - 150.212.224.0/19 16415 0.1% AS4130 -- UPITT-AS - University of Pittsburgh 14 - 192.12.120.0/24 16401 0.1% AS5691 -- MITRE-AS-5 - The MITRE Corporation 15 - 194.126.143.0/24 14659 0.1% AS9051 -- IDM Autonomous System 16 - 221.128.192.0/18 12978 0.1% AS18231 -- EXATT-AS-AP IOL NETCOM LTD 17 - 89.4.131.0/24 12120 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 18 - 41.204.2.0/24 11416 0.1% AS32398 -- REALNET-ASN-1 19 - 203.63.26.0/24 10764 0.1% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 20 - 196.27.104.0/21 10030 0.1% AS30969 -- TAN-NET TransAfrica Networks 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