BGP Update Report Interval: 28-Apr-06 -to- 11-May-06 (14 days) Observation Point: BGP Peering with AS4637 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS855 47228 4.1% 85.6 -- CANET-ASN-4 - Aliant Telecom 2 - AS7015 29981 2.6% 10.2 -- CCCH-AS2 - Comcast Cable Communications Holdings, Inc 3 - AS9121 20524 1.8% 32.6 -- TTNET TTnet Autonomous System 4 - AS17974 14648 1.3% 44.9 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA 5 - AS3475 12670 1.1% 452.5 -- LANT-AFLOAT - NCTAMS LANT DET HAMPTON ROADS 6 - AS33783 9846 0.9% 93.8 -- 7 - AS702 9415 0.8% 12.4 -- AS702 MCI EMEA - Commercial IP service provider in Europe 8 - AS6478 9083 0.8% 6.6 -- ATT-INTERNET3 - AT&T WorldNet Services 9 - AS10139 8754 0.8% 66.8 -- MERIDIAN-PH-AP Meridian Telekoms 10 - AS577 8693 0.8% 35.1 -- BACOM - Bell Canada 11 - AS15105 8525 0.8% 38.4 -- NETWORKTELEPHONE - Network Telephone Corporation 12 - AS14410 7709 0.7% 1541.8 -- DALTON - MCM, Inc., DBA: Internet@Dalton 13 - AS5839 7263 0.6% 242.1 -- DDN-ASNBLK - DoD Network Information Center 14 - AS7018 7105 0.6% 4.9 -- ATT-INTERNET4 - AT&T WorldNet Services 15 - AS8151 6647 0.6% 9.3 -- Uninet S.A. de C.V. 16 - AS5803 6590 0.6% 74.0 -- DDN-ASNBLK - DoD Network Information Center 17 - AS23918 6557 0.6% 49.3 -- CBB-BGP-IBARAKI Connexion By Boeing Ibaraki AS 18 - AS18231 6410 0.6% 47.8 -- EXATT-AS-AP Exatt Technologies Private Ltd. 19 - AS18049 6291 0.6% 49.1 -- TINP-TW Taiwan Infrastructure Network Technologie 20 - AS9929 6237 0.6% 19.8 -- CNCNET-CN China Netcom Corp. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS21027 3480 0.3% 3480.0 -- ASN-PARADORES PARADORES Autonomous System 2 - AS7684 2656 0.2% 2656.0 -- SAKURA-A SAKURA Internet Inc. 3 - AS14410 7709 0.7% 1541.8 -- DALTON - MCM, Inc., DBA: Internet@Dalton 4 - AS36565 1236 0.1% 1236.0 -- COUNTY-OF-MONTGOMERY-PA - County of Montgomery 5 - AS16705 2444 0.2% 1222.0 -- STORAGEAPPS - Storage Apps Inc. 6 - AS34382 1145 0.1% 1145.0 -- ASSYRUS-SRL-AS Assyrus Srl Maintainer 7 - AS34378 915 0.1% 915.0 -- RUG-AS Razguliay-UKRROS Group 8 - AS19982 3546 0.3% 886.5 -- TOWERSTREAM-PROV - Towerstream 9 - AS3043 2959 0.3% 739.8 -- AMPHIB-AS - Amphibian Media Corporation 10 - AS21260 1461 0.1% 730.5 -- POSITIVE-INTERNET-UK-AS Positive Internet UK AS 11 - AS23917 1318 0.1% 659.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 12 - AS25816 5202 0.5% 578.0 -- TOURO - Touro College 13 - AS10571 1481 0.1% 493.7 -- GEOACCESS-AS - GeoAccess 14 - AS3475 12670 1.1% 452.5 -- LANT-AFLOAT - NCTAMS LANT DET HAMPTON ROADS 15 - AS25435 1225 0.1% 408.3 -- TELESONIQUE-AS Telesonique 16 - AS26138 367 0.0% 367.0 -- QUIK-INTERNET-TICOPA - Quik Internet of Ticopa 17 - AS31613 357 0.0% 357.0 -- CLNEVA-AS JSC Comline-Neva 18 - AS39017 356 0.0% 356.0 -- AUDIOTEX Kifissias 10-12 19 - AS33871 3461 0.3% 346.1 -- NORILSK-TELECOM-AS Norilsk-Telecom Ltd. 20 - AS33253 692 0.1% 346.0 -- OURAYNET - OurayNet TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 62.81.240.0/24 3480 0.3% AS21027 -- ASN-PARADORES PARADORES Autonomous System 2 - 209.140.24.0/24 2956 0.2% AS3043 -- AMPHIB-AS - Amphibian Media Corporation 3 - 81.212.141.0/24 2711 0.2% AS9121 -- TTNET TTnet Autonomous System 4 - 59.106.255.0/24 2656 0.2% AS7684 -- SAKURA-A SAKURA Internet Inc. 5 - 81.212.149.0/24 2508 0.2% AS9121 -- TTNET TTnet Autonomous System 6 - 81.212.197.0/24 2169 0.2% AS9121 -- TTNET TTnet Autonomous System 7 - 61.0.0.0/8 1937 0.1% AS4678 -- FINE CANON NETWORK COMMUNICATIONS INC. 8 - 61.8.114.0/24 1693 0.1% AS9476 -- INTRAPOWER-AS-AP Intrapower 9 - 65.119.232.0/24 1557 0.1% AS14410 -- DALTON - MCM, Inc., DBA: Internet@Dalton 10 - 205.160.25.0/24 1556 0.1% AS14410 -- DALTON - MCM, Inc., DBA: Internet@Dalton 11 - 208.46.29.0/24 1553 0.1% AS14410 -- DALTON - MCM, Inc., DBA: Internet@Dalton 12 - 65.174.4.0/23 1522 0.1% AS14410 -- DALTON - MCM, Inc., DBA: Internet@Dalton 13 - 207.43.166.0/23 1521 0.1% AS14410 -- DALTON - MCM, Inc., DBA: Internet@Dalton 14 - 80.87.128.0/20 1459 0.1% AS21260 -- POSITIVE-INTERNET-UK-AS Positive Internet UK AS 15 - 205.70.12.0/24 1402 0.1% AS3475 -- LANT-AFLOAT - NCTAMS LANT DET HAMPTON ROADS 16 - 205.70.9.0/24 1401 0.1% AS3475 -- LANT-AFLOAT - NCTAMS LANT DET HAMPTON ROADS 17 - 205.70.8.0/24 1400 0.1% AS3475 -- LANT-AFLOAT - NCTAMS LANT DET HAMPTON ROADS 18 - 205.70.7.0/24 1399 0.1% AS3475 -- LANT-AFLOAT - NCTAMS LANT DET HAMPTON ROADS 19 - 205.70.1.0/24 1398 0.1% AS3475 -- LANT-AFLOAT - NCTAMS LANT DET HAMPTON ROADS 20 - 205.70.13.0/24 1397 0.1% AS3475 -- LANT-AFLOAT - NCTAMS LANT DET HAMPTON ROADS 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