BGP Update Report Interval: 27-Apr-09 -to- 28-May-09 (32 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS6389 57046 1.0% 13.1 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 2 - AS3130 56336 1.0% 219.2 -- RGNET-3130 RGnet/PSGnet 3 - AS21491 54810 0.9% 1827.0 -- UTL-ON-LINE UTL On-line is RF broadband ISP in Uganda - Africa 4 - AS8452 52258 0.9% 40.8 -- TEDATA TEDATA 5 - AS9198 49179 0.8% 195.2 -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration 6 - AS8151 48481 0.8% 12.5 -- Uninet S.A. de C.V. 7 - AS35805 45909 0.8% 127.2 -- UTG-AS United Telecom AS 8 - AS10834 35770 0.6% 14.1 -- Telefonica Data Argentina S.A. 9 - AS5056 35066 0.6% 297.2 -- INS-NET-2 - Iowa Network Services 10 - AS17974 34031 0.6% 31.3 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 11 - AS20115 33737 0.6% 20.0 -- CHARTER-NET-HKY-NC - Charter Communications 12 - AS33776 32231 0.6% 277.9 -- STARCOMMS-ASN 13 - AS17488 31963 0.5% 18.9 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 14 - AS4323 30316 0.5% 7.0 -- TWTC - tw telecom holdings, inc. 15 - AS4249 28270 0.5% 156.2 -- LILLY-AS - Eli Lilly and Company 16 - AS30890 26540 0.5% 48.8 -- EVOLVA Evolva Telecom 17 - AS2920 25925 0.4% 316.2 -- LACOE - Los Angeles County Office of Education 18 - AS29372 25184 0.4% 318.8 -- SFR-NETWORK SFR 19 - AS5050 25141 0.4% 1795.8 -- PSC-EXT - Pittsburgh Supercomputing Center 20 - AS10620 23454 0.4% 23.7 -- TV Cable S.A. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS16931 17007 0.3% 8503.5 -- GLOBAL-PAYMENTS-1 - Global Payments, Inc. 2 - AS15045 16892 0.3% 4223.0 -- KITTELSON - KITTELSON AND ASSOCIATES, INC. 3 - AS2 3535 0.1% 4.0 -- NAVITAIRE-AS-AU-AP Accenture - Navitaire, 4 - AS32398 20671 0.3% 3445.2 -- REALNET-ASN-1 5 - AS13153 2542 0.0% 2542.0 -- ONEWORLD OneWorld S.A. 6 - AS29229 2444 0.0% 2444.0 -- ASDA-AS Assotiation for the Development of West Athens 7 - AS13325 18334 0.3% 2291.8 -- STOMI - State of Michigan, DMB-CNOC 8 - AS8499 2252 0.0% 2252.0 -- Space Hellas Network Operation Center (NOC) 9 - AS39803 4065 0.1% 2032.5 -- UTI-AS SC UTI COMMUNICATIONS SYSTEMS SRL 10 - AS39699 5751 0.1% 1917.0 -- SSPOY-AS Salon Seudun Puhelin Oy 11 - AS47640 5542 0.1% 1847.3 -- TRICOMPAS Tricomp Sp. z. o. o. 12 - AS21491 54810 0.9% 1827.0 -- UTL-ON-LINE UTL On-line is RF broadband ISP in Uganda - Africa 13 - AS5050 25141 0.4% 1795.8 -- PSC-EXT - Pittsburgh Supercomputing Center 14 - AS17236 1271 0.0% 1271.0 -- TULSAL-74103 - Tulsa City-County Library 15 - AS35400 7569 0.1% 1261.5 -- MFIST Interregoinal Organization Network Technologies 16 - AS28256 1241 0.0% 1241.0 -- 17 - AS40967 1237 0.0% 1237.0 -- CSF-AS CSF Computersoftware fuer Fachanwendungen GmbH 18 - AS28953 2317 0.0% 1158.5 -- PIRAEUSBANK Greek banking institution 19 - AS47299 1086 0.0% 1086.0 -- DRSA-AS Dlugie Rozmowy S.A. 20 - AS41492 1079 0.0% 1079.0 -- EXIMBANK-AS SC Eximbank SA TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 72.23.246.0/24 24675 0.4% AS5050 -- PSC-EXT - Pittsburgh Supercomputing Center 2 - 41.204.2.0/24 20577 0.3% AS32398 -- REALNET-ASN-1 3 - 64.69.192.0/20 16997 0.3% AS16931 -- GLOBAL-PAYMENTS-1 - Global Payments, Inc. 4 - 192.12.120.0/24 10455 0.2% AS5691 -- MITRE-AS-5 - The MITRE Corporation 5 - 123.49.152.0/24 7531 0.1% AS18118 -- CITICNET-AP CITIC Networks Management Co.,Ltd. 6 - 90.150.0.0/24 7241 0.1% AS35400 -- MFIST Interregoinal Organization Network Technologies 7 - 63.144.223.0/24 7006 0.1% AS30221 -- T3COM - T3 Communications, Inc. 8 - 123.49.144.0/21 6882 0.1% AS18118 -- CITICNET-AP CITIC Networks Management Co.,Ltd. 9 - 89.218.218.0/23 6785 0.1% AS9198 -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration 10 - 89.218.220.0/23 6781 0.1% AS9198 -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration 11 - 92.46.244.0/23 6777 0.1% AS9198 -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration 12 - 95.59.4.0/22 6772 0.1% AS9198 -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration 13 - 95.59.2.0/23 6769 0.1% AS9198 -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration 14 - 95.59.8.0/23 6766 0.1% AS9198 -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration 15 - 72.42.204.0/23 6711 0.1% AS40060 -- AAAWI - AAA Wireless, Inc. 16 - 195.96.69.0/24 6244 0.1% AS8225 -- ASTELIT-MSK-AS Astelit Autonomous System 17 - 63.103.104.0/22 5861 0.1% AS15045 -- KITTELSON - KITTELSON AND ASSOCIATES, INC. 18 - 63.103.108.0/23 5861 0.1% AS15045 -- KITTELSON - KITTELSON AND ASSOCIATES, INC. 19 - 193.201.184.0/21 5846 0.1% AS25546 -- BROOKLANDCOMP-AS Brookland Computer Services 20 - 81.199.18.0/24 5671 0.1% AS21491 -- UTL-ON-LINE UTL On-line is RF broadband ISP in Uganda - Africa 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