BGP Update Report Interval: 05-May-06 -to- 18-May-06 (14 days) Observation Point: BGP Peering with AS4637 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS855 35385 3.2% 62.9 -- CANET-ASN-4 - Aliant Telecom 2 - AS9121 27016 2.4% 35.3 -- TTNET TTnet Autonomous System 3 - AS17974 16736 1.5% 49.1 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA 4 - AS17430 14425 1.3% 424.3 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd 5 - AS6478 13693 1.2% 9.9 -- ATT-INTERNET3 - AT&T WorldNet Services 6 - AS3475 11937 1.1% 459.1 -- LANT-AFLOAT - NCTAMS LANT DET HAMPTON ROADS 7 - AS2386 11474 1.0% 12.9 -- INS-AS - AT&T Data Communications Services 8 - AS15611 9544 0.9% 117.8 -- Iranian Research Organisation 9 - AS4795 9410 0.8% 48.8 -- INDOSAT2-ID INDOSATNET-ASN 10 - AS14410 8827 0.8% 1765.4 -- DALTON - MCM, Inc., DBA: Internet@Dalton 11 - AS5803 8401 0.8% 94.4 -- DDN-ASNBLK - DoD Network Information Center 12 - AS10139 8391 0.8% 67.7 -- MERIDIAN-PH-AP Meridian Telekoms 13 - AS18049 7810 0.7% 58.3 -- TINP-TW Taiwan Infrastructure Network Technologie 14 - AS33766 7372 0.7% 388.0 -- NYALA-COMMUNICATIONS-PTY-LTD NYALA-COMMUNICATIONS-PTY-LTD 15 - AS702 7326 0.7% 21.2 -- AS702 MCI EMEA - Commercial IP service provider in Europe 16 - AS5839 6976 0.6% 258.4 -- DDN-ASNBLK - DoD Network Information Center 17 - AS9425 6935 0.6% 115.6 -- CONCENTRIX-PH-AS-AP Concentrix Technologies, Inc 18 - AS23918 6804 0.6% 51.9 -- CBB-BGP-IBARAKI Connexion By Boeing Ibaraki AS 19 - AS577 6731 0.6% 51.0 -- BACOM - Bell Canada 20 - AS7018 6608 0.6% 6.5 -- ATT-INTERNET4 - AT&T WorldNet Services TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS21027 3398 0.3% 3398.0 -- ASN-PARADORES PARADORES Autonomous System 2 - AS3043 2703 0.2% 2703.0 -- AMPHIB-AS - Amphibian Media Corporation 3 - AS34382 2032 0.2% 2032.0 -- ASSYRUS-SRL-AS Assyrus Srl Maintainer 4 - AS14410 8827 0.8% 1765.4 -- DALTON - MCM, Inc., DBA: Internet@Dalton 5 - AS19982 5524 0.5% 1381.0 -- TOWERSTREAM-PROV - Towerstream 6 - AS23607 2233 0.2% 1116.5 -- ITXPRESS-AS-AP itXpress Pty Ltd. Network AS ISP and DSL 7 - AS16705 2077 0.2% 1038.5 -- STORAGEAPPS - Storage Apps Inc. 8 - AS34378 910 0.1% 910.0 -- RUG-AS Razguliay-UKRROS Group 9 - AS33871 6424 0.6% 642.4 -- NORILSK-TELECOM-AS Norilsk-Telecom Ltd. 10 - AS23917 1251 0.1% 625.5 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 11 - AS21260 620 0.1% 620.0 -- POSITIVE-INTERNET-UK-AS Positive Internet UK AS 12 - AS7013 1229 0.1% 614.5 -- NETSELECT - Health Sciences Libraries Consortium 13 - AS7442 577 0.1% 577.0 -- FEDERATED-CA-ASN - Federated Insurance Company of Canada 14 - AS36715 556 0.1% 556.0 -- GSA-ASN - GLOBAL SECURITIES ADVISORS LLC 15 - AS36565 510 0.1% 510.0 -- COUNTY-OF-MONTGOMERY-PA - County of Montgomery 16 - AS30457 997 0.1% 498.5 -- MEEMIC - Meemic Insurance Company 17 - AS3475 11937 1.1% 459.1 -- LANT-AFLOAT - NCTAMS LANT DET HAMPTON ROADS 18 - AS22988 459 0.0% 459.0 -- CAMBARASN1 - Cameron and Barkley Company 19 - AS3319 3140 0.3% 448.6 -- KSNET KSNet 20 - AS17430 14425 1.3% 424.3 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 81.212.141.0/24 4184 0.3% AS9121 -- TTNET TTnet Autonomous System 2 - 81.212.149.0/24 3916 0.3% AS9121 -- TTNET TTnet Autonomous System 3 - 62.81.240.0/24 3398 0.3% AS21027 -- ASN-PARADORES PARADORES Autonomous System 4 - 211.162.88.0/21 3240 0.2% AS17430 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd 5 - 220.114.32.0/21 3231 0.2% AS17430 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd 6 - 209.140.24.0/24 2703 0.2% AS3043 -- AMPHIB-AS - Amphibian Media Corporation 7 - 61.0.0.0/8 2556 0.2% AS4678 -- FINE CANON NETWORK COMMUNICATIONS INC. 8 - 81.212.197.0/24 2527 0.2% AS9121 -- TTNET TTnet Autonomous System 9 - 195.175.82.0/23 2362 0.2% AS9121 -- TTNET TTnet Autonomous System 10 - 85.158.80.0/21 2032 0.2% AS34382 -- ASSYRUS-SRL-AS Assyrus Srl Maintainer 11 - 220.114.40.0/22 1992 0.1% AS17430 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd 12 - 211.162.82.0/23 1990 0.1% AS17430 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd 13 - 211.162.84.0/22 1990 0.1% AS17430 -- GWBN-CHENGDU Great Wall Broadband Network Service Co.,Ltd 14 - 209.160.56.0/22 1980 0.1% AS14361 -- HOPONE-DCA - HopOne Internet Corporation 15 - 152.74.0.0/16 1964 0.1% AS11340 -- Red Universitaria Nacional 16 - 207.43.166.0/23 1772 0.1% AS14410 -- DALTON - MCM, Inc., DBA: Internet@Dalton 17 - 65.174.4.0/23 1772 0.1% AS14410 -- DALTON - MCM, Inc., DBA: Internet@Dalton 18 - 65.119.232.0/24 1764 0.1% AS14410 -- DALTON - MCM, Inc., DBA: Internet@Dalton 19 - 205.160.25.0/24 1762 0.1% AS14410 -- DALTON - MCM, Inc., DBA: Internet@Dalton 20 - 208.46.29.0/24 1757 0.1% AS14410 -- DALTON - MCM, Inc., DBA: Internet@Dalton 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