BGP Update Report Interval: 22-Sep-08 -to- 23-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 207109 2.2% 182.8 -- SIFY-AS-IN Sify Limited 2 - AS1803 97805 1.1% 70.7 -- ICMNET-5 - Sprint 3 - AS4538 80573 0.9% 15.9 -- ERX-CERNET-BKB China Education and Research Network Center 4 - AS5691 77747 0.8% 5980.5 -- MITRE-AS-5 - The MITRE Corporation 5 - AS6389 71848 0.8% 16.6 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 6 - AS20255 71252 0.8% 2298.5 -- Tecnowind S.A. 7 - AS8151 66487 0.7% 27.7 -- Uninet S.A. de C.V. 8 - AS9051 60816 0.7% 382.5 -- IDM Autonomous System 9 - AS20115 54861 0.6% 23.4 -- CHARTER-NET-HKY-NC - Charter Communications 10 - AS6629 54763 0.6% 842.5 -- NOAA-AS - NOAA 11 - AS7046 49270 0.5% 83.7 -- UUNET-CUSTOMER - MCI Communications Services, Inc. d/b/a Verizon Business 12 - AS14593 49149 0.5% 49149.0 -- BRAND-INSTITUTE - Brand Instiute, Inc. 13 - AS30890 48780 0.5% 49.8 -- EVOLVA Evolva Telecom 14 - AS10396 47946 0.5% 622.7 -- COQUI-NET - DATACOM CARIBE, INC. 15 - AS10986 44612 0.5% 501.3 -- Intermedia Comunicaciones S.A. 16 - AS4274 43772 0.5% 643.7 -- ERX-AU-NET Assumption University 17 - AS6458 41026 0.5% 99.8 -- Telgua 18 - AS17974 39169 0.4% 48.1 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 19 - AS22492 37376 0.4% 12458.7 -- 20 - AS14846 36266 0.4% 824.2 -- CGNOGE - NBC Internet TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS14593 49149 0.5% 49149.0 -- BRAND-INSTITUTE - Brand Instiute, Inc. 2 - AS43299 16563 0.2% 16563.0 -- TELECONTACT-AS Telecontact Ltd. 3 - AS22492 37376 0.4% 12458.7 -- 4 - AS37026 17793 0.2% 8896.5 -- SALT-ASN 5 - AS32761 7146 0.1% 7146.0 -- WASSE-NYC - Wasserstein & Co. 6 - AS5691 77747 0.8% 5980.5 -- MITRE-AS-5 - The MITRE Corporation 7 - AS8266 5752 0.1% 5752.0 -- NEXUSTEL Nexus Telecommunications 8 - AS29910 5128 0.1% 5128.0 -- IACP - INTL. ASSN OF CHIEF OF POLICEI 9 - AS4184 9665 0.1% 4832.5 -- STORTEK-WHQ - Storage Technology Corporation 10 - AS23082 20143 0.2% 4028.6 -- MPHI - Michigan Public Health Institute 11 - AS38180 3941 0.0% 3941.0 -- ETPI-IDS-JOLLIBEE-AS-AP 6/Fth floor JOLLIBEE PLAZA, Emerald Ave. Ortigas Center Pasig City. 12 - AS30969 30175 0.3% 3771.9 -- TAN-NET TransAfrica Networks 13 - AS44194 3262 0.0% 3262.0 -- FREIFUNK-BERLIN-AS Freifunk Berlin 14 - AS21603 31590 0.3% 3159.0 -- Universidad La Salle, AC 15 - AS41007 14765 0.2% 2953.0 -- CTCASTANA CTC ASTANA, KZ 16 - AS30287 2385 0.0% 2385.0 -- ALON-USA - ALON USA, LP 17 - AS4130 11719 0.1% 2343.8 -- UPITT-AS - University of Pittsburgh 18 - AS20255 71252 0.8% 2298.5 -- Tecnowind S.A. 19 - AS23917 2290 0.0% 2290.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 20 - AS5033 20017 0.2% 2224.1 -- ISW - Internet Specialties West Inc. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.12.120.0/24 77609 0.8% AS5691 -- MITRE-AS-5 - The MITRE Corporation 2 - 210.214.151.0/24 62487 0.6% AS9583 -- SIFY-AS-IN Sify Limited 3 - 221.134.222.0/24 61543 0.6% AS9583 -- SIFY-AS-IN Sify Limited 4 - 12.8.7.0/24 49149 0.5% AS14593 -- BRAND-INSTITUTE - Brand Instiute, Inc. 5 - 221.135.80.0/24 47921 0.5% AS9583 -- SIFY-AS-IN Sify Limited 6 - 194.126.143.0/24 45711 0.5% AS9051 -- IDM Autonomous System 7 - 12.2.46.0/24 37326 0.4% AS22492 -- 8 - 200.108.200.0/24 35379 0.4% AS20255 -- Tecnowind S.A. 9 - 200.108.220.0/24 35368 0.4% AS20255 -- Tecnowind S.A. 10 - 200.33.104.0/23 31161 0.3% AS21603 -- Universidad La Salle, AC 11 - 221.128.192.0/18 26379 0.3% AS18231 -- EXATT-AS-AP IOL NETCOM LTD 12 - 196.42.0.0/20 23209 0.2% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 13 - 72.50.96.0/20 23108 0.2% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 14 - 64.162.116.0/24 19953 0.2% AS5033 -- ISW - Internet Specialties West Inc. 15 - 192.102.88.0/24 17999 0.2% AS6629 -- NOAA-AS - NOAA 16 - 192.35.129.0/24 17871 0.2% AS6629 -- NOAA-AS - NOAA 17 - 198.77.177.0/24 17852 0.2% AS6629 -- NOAA-AS - NOAA 18 - 78.40.24.0/21 16563 0.2% AS43299 -- TELECONTACT-AS Telecontact Ltd. 19 - 89.4.131.0/24 16095 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 20 - 196.27.108.0/22 14974 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