BGP Update Report Interval: 03-Sep-07 -to- 04-Oct-07 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS4538 1096426 2.3% 562.3 -- ERX-CERNET-BKB China Education and Research Network Center 2 - AS9583 750271 1.6% 642.9 -- SIFY-AS-IN Sify Limited 3 - AS4323 524181 1.1% 365.5 -- TWTC - Time Warner Telecom, Inc. 4 - AS22773 433482 0.9% 541.2 -- CCINET-2 - Cox Communications Inc. 5 - AS209 387283 0.8% 499.7 -- ASN-QWEST - Qwest 6 - AS6197 373079 0.8% 359.1 -- BATI-ATL - BellSouth Network Solutions, Inc 7 - AS18101 360478 0.8% 580.5 -- RIL-IDC Reliance Infocom Ltd Internet Data Centre, 8 - AS9498 358963 0.8% 351.2 -- BBIL-AP BHARTI BT INTERNET LTD. 9 - AS852 350830 0.8% 582.8 -- ASN852 - Telus Advanced Communications 10 - AS6198 350193 0.8% 604.8 -- BATI-MIA - BellSouth Network Solutions, Inc 11 - AS4134 294691 0.6% 263.4 -- CHINANET-BACKBONE No.31,Jin-rong Street 12 - AS4808 292683 0.6% 584.2 -- CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 13 - AS5668 266040 0.6% 401.3 -- AS-5668 - CenturyTel Internet Holdings, Inc. 14 - AS19916 232245 0.5% 408.9 -- ASTRUM-0001 - OLM LLC 15 - AS11351 196972 0.4% 572.6 -- RR-NYSREGION-ASN-01 - Road Runner HoldCo LLC 16 - AS11139 189871 0.4% 475.9 -- CWRIN CW BARBADOS 17 - AS9929 189446 0.4% 513.4 -- CNCNET-CN China Netcom Corp. 18 - AS2907 184250 0.4% 563.5 -- ERX-SINET-AS National Center for Science Information Systems 19 - AS9800 174856 0.4% 596.8 -- UNICOM CHINA UNICOM 20 - AS6167 174700 0.4% 483.9 -- CELLCO-PART - Cellco Partnership TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS43403 84895 0.2% 42447.5 -- SVIAZ-PLUS-AS LLC "Sviaz Plus" 2 - AS10275 35475 0.1% 17737.5 -- AS-UNITEDNETWORK - ABS-CBN International 3 - AS26829 12825 0.0% 12825.0 -- YKK-USA - YKK USA,INC 4 - AS17540 6357 0.0% 6357.0 -- MTL-AP Modern Terminals Limited 5 - AS36011 11966 0.0% 5983.0 -- AHSYS-ASN - Atlantic Health System 6 - AS9264 17311 0.0% 5770.3 -- ASNET Academic Sinica 7 - AS34382 4924 0.0% 4924.0 -- ASSYRUS-SRL-AS Assyrus Srl Maintainer 8 - AS30707 13164 0.0% 4388.0 -- 9 - AS42611 3542 0.0% 3542.0 -- HOSTUA-AS hosing.com.ua AS 10 - AS32650 3341 0.0% 3341.0 -- SANDHILLS-SW - SANDHILLS PUBLISHING 11 - AS24697 6559 0.0% 3279.5 -- SATURN-ASN Saturn ISP AS 12 - AS30619 59479 0.1% 2973.9 -- TDM-AS 13 - AS34770 18380 0.0% 2625.7 -- ELITSAT-AS Elit SAT AD - Rousse 14 - AS28733 7877 0.0% 2625.7 -- AVIGAL-AS IT master LLC 15 - AS20007 2333 0.0% 2333.0 -- AS-ALOGI - ALOGIENT INC. 16 - AS16312 2293 0.0% 2293.0 -- ASN-ZWEITWERK # AS-ZWEITWERK CONVERTED TO ASN-ZWEITWERK FOR RPSL COMPLIANCE Zweitwerk GmbH & Co KG 17 - AS39396 13242 0.0% 2207.0 -- NBIS-AS NBI Systems Ltd. 18 - AS31949 1781 0.0% 1781.0 -- APEXDIGITAL - Apex Digital 19 - AS34368 62409 0.1% 1733.6 -- THEZONE "Zonata - Natzkovi & Sie" LTD. 20 - AS27093 1701 0.0% 1701.0 -- DDN-ASNBLK1 - DoD Network Information Center TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 202.56.250.0/24 57020 0.1% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 2 - 203.101.87.0/24 56665 0.1% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 3 - 210.18.10.0/24 49954 0.1% AS9583 -- SIFY-AS-IN Sify Limited 4 - 221.135.22.0/24 48206 0.1% AS9583 -- SIFY-AS-IN Sify Limited 5 - 193.46.60.0/24 47798 0.1% AS43403 -- SVIAZ-PLUS-AS LLC "Sviaz Plus" 6 - 221.135.113.0/24 46570 0.1% AS9583 -- SIFY-AS-IN Sify Limited 7 - 209.163.125.0/24 38034 0.1% AS14390 -- CORENET - Coretel America, Inc. 8 - 91.194.244.0/24 37097 0.1% AS43403 -- SVIAZ-PLUS-AS LLC "Sviaz Plus" 9 - 210.214.173.0/24 36431 0.1% AS9583 -- SIFY-AS-IN Sify Limited 10 - 210.214.177.0/24 36426 0.1% AS9583 -- SIFY-AS-IN Sify Limited 11 - 210.214.221.0/24 36306 0.1% AS9583 -- SIFY-AS-IN Sify Limited 12 - 210.214.210.0/24 36223 0.1% AS9583 -- SIFY-AS-IN Sify Limited 13 - 210.214.220.0/24 36200 0.1% AS9583 -- SIFY-AS-IN Sify Limited 14 - 210.214.211.0/24 36115 0.1% AS9583 -- SIFY-AS-IN Sify Limited 15 - 210.214.172.0/24 35869 0.1% AS9583 -- SIFY-AS-IN Sify Limited 16 - 221.135.77.0/24 33338 0.1% AS9583 -- SIFY-AS-IN Sify Limited 17 - 80.243.64.0/20 30740 0.1% AS21332 -- NTC-AS New Telephone Company 18 - 192.96.14.0/24 25031 0.1% AS16637 -- MTNNS-AS 19 - 192.96.13.0/24 25028 0.1% AS16637 -- MTNNS-AS 20 - 210.214.179.0/24 23023 0.1% AS9583 -- SIFY-AS-IN Sify Limited 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