BGP Update Report Interval: 08-Sep-08 -to- 09-Oct-08 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 238199 3.0% 195.7 -- SIFY-AS-IN Sify Limited 2 - AS1803 117148 1.5% 85.5 -- ICMNET-5 - Sprint 3 - AS20255 79393 1.0% 2561.1 -- Tecnowind S.A. 4 - AS5691 78741 1.0% 6057.0 -- MITRE-AS-5 - The MITRE Corporation 5 - AS4538 72727 0.9% 14.4 -- ERX-CERNET-BKB China Education and Research Network Center 6 - AS8151 61709 0.8% 25.4 -- Uninet S.A. de C.V. 7 - AS9051 61564 0.8% 389.6 -- IDM Autonomous System 8 - AS10986 53459 0.7% 614.5 -- Intermedia Comunicaciones S.A. 9 - AS14593 52003 0.7% 52003.0 -- BRAND-INSTITUTE - Brand Instiute, Inc. 10 - AS30890 48547 0.6% 36.1 -- EVOLVA Evolva Telecom 11 - AS10396 48464 0.6% 850.2 -- COQUI-NET - DATACOM CARIBE, INC. 12 - AS209 44861 0.6% 14.9 -- ASN-QWEST - Qwest Communications Corporation 13 - AS4274 43711 0.6% 642.8 -- ERX-AU-NET Assumption University 14 - AS11971 43380 0.6% 6197.1 -- PFIZERNET-GROTON - PFIZER INC. 15 - AS6389 41956 0.5% 9.7 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 16 - AS4184 40597 0.5% 20298.5 -- STORTEK-WHQ - Storage Technology Corporation 17 - AS17974 37938 0.5% 46.5 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 18 - AS6458 37076 0.5% 103.9 -- Telgua 19 - AS14846 36603 0.5% 831.9 -- CGNOGE - NBC Internet 20 - AS7046 36113 0.5% 124.1 -- UUNET-CUSTOMER - MCI Communications Services, Inc. d/b/a Verizon Business TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS14593 52003 0.7% 52003.0 -- BRAND-INSTITUTE - Brand Instiute, Inc. 2 - AS4184 40597 0.5% 20298.5 -- STORTEK-WHQ - Storage Technology Corporation 3 - AS8266 17640 0.2% 17640.0 -- NEXUSTEL Nexus Telecommunications 4 - AS38180 6358 0.1% 6358.0 -- ETPI-IDS-JOLLIBEE-AS-AP 6/Fth floor JOLLIBEE PLAZA, Emerald Ave. Ortigas Center Pasig City. 5 - AS11971 43380 0.6% 6197.1 -- PFIZERNET-GROTON - PFIZER INC. 6 - AS5691 78741 1.0% 6057.0 -- MITRE-AS-5 - The MITRE Corporation 7 - AS29910 5975 0.1% 5975.0 -- IACP - INTL. ASSN OF CHIEF OF POLICEI 8 - AS22492 13879 0.2% 4626.3 -- 9 - AS43299 4399 0.1% 4399.0 -- TELECONTACT-AS Telecontact Ltd. 10 - AS4557 7873 0.1% 3936.5 -- EP0-BLK-ASNBLOCK-7 - EP.NET, LLC. 11 - AS23082 18868 0.2% 3773.6 -- MPHI - Michigan Public Health Institute 12 - AS30969 29091 0.4% 3636.4 -- TAN-NET TransAfrica Networks 13 - AS44194 2887 0.0% 2887.0 -- FREIFUNK-BERLIN-AS Freifunk Berlin 14 - AS20255 79393 1.0% 2561.1 -- Tecnowind S.A. 15 - AS23917 2341 0.0% 2341.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 16 - AS39105 1929 0.0% 1929.0 -- CLASS-AS SC Class Computers And Service SRL 17 - AS42521 1539 0.0% 1539.0 -- COFUND-AS Fundacja Fundusz Wspolpracy 18 - AS41007 7567 0.1% 1513.4 -- CTCASTANA CTC ASTANA, KZ 19 - AS10221 5672 0.1% 1418.0 -- HEWLETT-PACKARD Multi-homed connections to multiple ISP's providing 20 - AS9747 11087 0.1% 1385.9 -- EZINTERNET-AS-AP EZInternet Pty Ltd TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.12.120.0/24 78689 0.9% AS5691 -- MITRE-AS-5 - The MITRE Corporation 2 - 210.214.151.0/24 62057 0.7% AS9583 -- SIFY-AS-IN Sify Limited 3 - 221.134.222.0/24 58932 0.7% AS9583 -- SIFY-AS-IN Sify Limited 4 - 12.8.7.0/24 52003 0.6% AS14593 -- BRAND-INSTITUTE - Brand Instiute, Inc. 5 - 221.135.80.0/24 47252 0.6% AS9583 -- SIFY-AS-IN Sify Limited 6 - 194.126.143.0/24 46733 0.6% AS9051 -- IDM Autonomous System 7 - 12.18.36.0/24 43156 0.5% AS11971 -- PFIZERNET-GROTON - PFIZER INC. 8 - 200.108.200.0/24 40036 0.5% AS20255 -- Tecnowind S.A. 9 - 200.108.220.0/24 39041 0.5% AS20255 -- Tecnowind S.A. 10 - 210.210.112.0/24 33861 0.4% AS9583 -- SIFY-AS-IN Sify Limited 11 - 221.128.192.0/18 27607 0.3% AS18231 -- EXATT-AS-AP IOL NETCOM LTD 12 - 196.42.0.0/20 23583 0.3% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 13 - 72.50.96.0/20 23578 0.3% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 14 - 199.117.144.0/22 20303 0.2% AS4184 -- STORTEK-WHQ - Storage Technology Corporation 15 - 129.80.0.0/16 20294 0.2% AS4184 -- STORTEK-WHQ - Storage Technology Corporation 16 - 221.135.251.0/24 19158 0.2% AS9583 -- SIFY-AS-IN Sify Limited 17 - 193.93.148.0/22 17640 0.2% AS8266 -- NEXUSTEL Nexus Telecommunications 18 - 83.228.71.0/24 15348 0.2% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 19 - 89.4.131.0/24 14913 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 20 - 196.27.108.0/22 14426 0.2% 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