BGP Update Report Interval: 19-May-06 -to- 01-Jun-06 (14 days) Observation Point: BGP Peering with AS4637 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9121 23367 2.1% 48.3 -- TTNET TTnet Autonomous System 2 - AS17430 21873 2.0% 533.5 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd 3 - AS10139 18927 1.7% 61.3 -- MERIDIAN-PH-AP Meridian Telekoms 4 - AS2386 18290 1.7% 20.4 -- INS-AS - AT&T Data Communications Services 5 - AS17974 11228 1.0% 32.6 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA 6 - AS17557 10439 0.9% 26.4 -- PKTELECOM-AS-AP Pakistan Telecom 7 - AS4755 10414 0.9% 13.7 -- VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System 8 - AS855 10332 0.9% 18.7 -- CANET-ASN-4 - Aliant Telecom 9 - AS11492 9751 0.9% 19.8 -- CABLEONE - CABLE ONE 10 - AS18231 8453 0.8% 66.0 -- EXATT-AS-AP Exatt Technologies Private Ltd. 11 - AS8452 7056 0.6% 51.5 -- TEDATA TEDATA 12 - AS5803 6990 0.6% 81.3 -- DDN-ASNBLK - DoD Network Information Center 13 - AS23918 6655 0.6% 51.2 -- CBB-BGP-IBARAKI Connexion By Boeing Ibaraki AS 14 - AS9940 6572 0.6% 113.3 -- WOLCST-AS-AP World online AS, Cybersoft Technologies. 15 - AS3475 6485 0.6% 540.4 -- LANT-AFLOAT - NCTAMS LANT DET HAMPTON ROADS 16 - AS18207 6473 0.6% 30.2 -- BGBB-INDIA-AP Iqara Telecom India Pvt Ltd. 17 - AS33783 6370 0.6% 60.7 -- 18 - AS702 6197 0.6% 24.7 -- AS702 MCI EMEA - Commercial IP service provider in Europe 19 - AS12654 5821 0.5% 242.5 -- RIPE-NCC-RIS-AS RIPE NCC RIS Project. 20 - AS680 5692 0.5% 23.3 -- DFN-IP service G-WiN TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS4678 3341 0.3% 3341.0 -- FINE CANON NETWORK COMMUNICATIONS INC. 2 - AS21027 2860 0.3% 2860.0 -- ASN-PARADORES PARADORES Autonomous System 3 - AS36877 5133 0.5% 2566.5 -- 4 - AS19982 5350 0.5% 1337.5 -- TOWERSTREAM-PROV - Towerstream 5 - AS35379 2370 0.2% 1185.0 -- EASYNET EASYNET s.c. 6 - AS16705 1830 0.2% 915.0 -- STORAGEAPPS - Storage Apps Inc. 7 - AS34378 909 0.1% 909.0 -- RUG-AS Razguliay-UKRROS Group 8 - AS34974 821 0.1% 821.0 -- KAMCHATKA-AS OJSC 'Dalsvyaz' Kamchatka Branch 9 - AS34205 708 0.1% 708.0 -- MRBD-AS Far East Telecommunications Company 10 - AS36000 690 0.1% 690.0 -- NHA-ASN1 - Northern Health Authority 11 - AS36565 683 0.1% 683.0 -- COUNTY-OF-MONTGOMERY-PA - County of Montgomery 12 - AS14410 3352 0.3% 670.4 -- DALTON - MCM, Inc., DBA: Internet@Dalton 13 - AS35339 1336 0.1% 668.0 -- CZ-AS Clemens Zauner 14 - AS18173 602 0.1% 602.0 -- AKU-AS-PK Aga Khan University 15 - AS14548 583 0.1% 583.0 -- LISTEN-SF-1 - Listen.com 16 - AS3475 6485 0.6% 540.4 -- LANT-AFLOAT - NCTAMS LANT DET HAMPTON ROADS 17 - AS17430 21873 2.0% 533.5 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd 18 - AS21944 1598 0.1% 532.7 -- DTSI-1 - Data Technology Services Inc. 19 - AS23917 1065 0.1% 532.5 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 20 - AS3043 3182 0.3% 530.3 -- AMPHIB-AS - Amphibian Media Corporation TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 220.114.32.0/21 5739 0.4% AS17430 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd 2 - 211.162.88.0/21 5738 0.4% AS17430 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd 3 - 81.212.149.0/24 4045 0.3% AS9121 -- TTNET TTnet Autonomous System 4 - 81.212.141.0/24 3939 0.3% AS9121 -- TTNET TTnet Autonomous System 5 - 152.74.0.0/16 3897 0.3% AS11340 -- Red Universitaria Nacional 6 - 211.162.82.0/23 3361 0.3% AS17430 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd 7 - 211.162.84.0/22 3361 0.3% AS17430 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd 8 - 220.114.40.0/22 3361 0.3% AS17430 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd 9 - 61.0.0.0/8 3341 0.3% AS4678 -- FINE CANON NETWORK COMMUNICATIONS INC. 10 - 209.140.24.0/24 3157 0.2% AS3043 -- AMPHIB-AS - Amphibian Media Corporation 11 - 62.81.240.0/24 2860 0.2% AS21027 -- ASN-PARADORES PARADORES Autonomous System 12 - 195.175.82.0/23 2835 0.2% AS9121 -- TTNET TTnet Autonomous System 13 - 196.47.64.0/22 2629 0.2% AS36877 -- 14 - 196.47.68.0/22 2504 0.2% AS36877 -- 15 - 209.160.56.0/22 1991 0.1% AS14361 -- HOPONE-DCA - HopOne Internet Corporation 16 - 195.177.250.0/23 1660 0.1% AS1853 -- ACONET ACOnet Backbone AS35339 -- CZ-AS Clemens Zauner 17 - 206.251.163.0/24 1395 0.1% AS4314 -- I-55-INTERNET-SERVICES-INC - I-55 INTERNET SERVICES 18 - 81.212.197.0/24 1362 0.1% AS9121 -- TTNET TTnet Autonomous System 19 - 64.17.224.0/21 1341 0.1% AS19982 -- TOWERSTREAM-PROV - Towerstream 20 - 64.17.240.0/21 1339 0.1% AS19982 -- TOWERSTREAM-PROV - Towerstream 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 ausnog@ausnog.net