BGP Update Report Interval: 25-Apr-13 -to- 02-May-13 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS58113 64482 2.7% 96.8 -- LIR-AS LIR DATACENTER TELECOM SRL 2 - AS9829 45721 1.9% 32.1 -- BSNL-NIB National Internet Backbone 3 - AS8402 43693 1.9% 26.1 -- CORBINA-AS OJSC "Vimpelcom" 4 - AS36998 41515 1.8% 32.3 -- SDN-MOBITEL 5 - AS3909 22266 0.9% 674.7 -- QWEST-AS-3908 - Qwest Communications Company, LLC 6 - AS28573 20827 0.9% 7.6 -- NET Serviços de Comunicação S.A. 7 - AS4538 19817 0.8% 38.0 -- ERX-CERNET-BKB China Education and Research Network Center 8 - AS7552 19114 0.8% 16.4 -- VIETEL-AS-AP Vietel Corporation 9 - AS18403 15960 0.7% 32.7 -- FPT-AS-AP The Corporation for Financing & Promoting Technology 10 - AS14287 15909 0.7% 252.5 -- TRIAD-TELECOM - Triad Telecom, Inc. 11 - AS9416 15620 0.7% 2231.4 -- MULTIMEDIA-AS-AP Hoshin Multimedia Center Inc. 12 - AS5400 14893 0.6% 141.8 -- BT British Telecommunications plc 13 - AS29049 14634 0.6% 43.3 -- DELTA-TELECOM-AS Delta Telecom LTD. 14 - AS10620 14136 0.6% 5.7 -- Telmex Colombia S.A. 15 - AS38868 13835 0.6% 3458.8 -- UPM-AS-AP Universiti Putra Malaysia AS 16 - AS22216 13247 0.6% 254.8 -- SIEMENS-PLM - Siemens Corporation 17 - AS33776 13216 0.6% 71.8 -- STARCOMMS-ASN 18 - AS22561 12904 0.6% 11.5 -- DIGITAL-TELEPORT - Digital Teleport Inc. 19 - AS2 12648 0.5% 973.0 -- SERVU-AS-AP ServU Networks 20 - AS6713 12317 0.5% 31.4 -- IAM-AS TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS35905 5097 0.2% 5097.0 -- TELX-NYC - Telx 2 - AS15957 7668 0.3% 3834.0 -- WTG-AS Web Technology Group 3 - AS38868 13835 0.6% 3458.8 -- UPM-AS-AP Universiti Putra Malaysia AS 4 - AS42334 2945 0.1% 2945.0 -- BBP-AS Broadband Plus s.a.l. 5 - AS6174 5864 0.2% 2932.0 -- SPRINTLINK8 - Sprint 6 - AS14680 6777 0.3% 2259.0 -- REALE-6 - Auction.com 7 - AS9416 15620 0.7% 2231.4 -- MULTIMEDIA-AS-AP Hoshin Multimedia Center Inc. 8 - AS33920 3281 0.1% 1640.5 -- AQL (aq) Networks Limited 9 - AS39983 1633 0.1% 1633.0 -- PBGC-HQ-AS - Pension Benefit Guaranty Corp. 10 - AS6629 7479 0.3% 1495.8 -- NOAA-AS - NOAA 11 - AS50453 855 0.0% 855.0 -- EMBRIA FotoStrana Ltd 12 - AS48612 9278 0.4% 843.5 -- RTC-ORENBURG-AS CJSC "Comstar-Regions" 13 - AS33629 2295 0.1% 765.0 -- NKU-AS1 - Northern Kentucky University 14 - AS3909 22266 0.9% 674.7 -- QWEST-AS-3908 - Qwest Communications Company, LLC 15 - AS51024 669 0.0% 669.0 -- OLISAT-AS International Olisat S.R.L. 16 - AS33866 660 0.0% 660.0 -- ELAN Elan Ltd. 17 - AS48010 1242 0.1% 621.0 -- OLIMP1-AS OLIMP-KONSALT Ltd. 18 - AS5956 584 0.0% 584.0 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 19 - AS56678 538 0.0% 538.0 -- GYDROZO-AS LLC "Gydrozo" 20 - AS48359 2116 0.1% 529.0 -- HESABGAR-AS Hesabgar Pardaz Gharb Co. Private J.S. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 209.142.140.0/24 10633 0.4% AS22561 -- DIGITAL-TELEPORT - Digital Teleport Inc. 2 - 193.19.90.0/23 9219 0.4% AS29684 -- NOURNET-ASN Nour Communication Co.Ltd - Nournet 3 - 92.246.207.0/24 9195 0.4% AS48612 -- RTC-ORENBURG-AS CJSC "Comstar-Regions" 4 - 203.118.224.0/21 7878 0.3% AS9416 -- MULTIMEDIA-AS-AP Hoshin Multimedia Center Inc. 5 - 203.118.232.0/21 7737 0.3% AS9416 -- MULTIMEDIA-AS-AP Hoshin Multimedia Center Inc. 6 - 192.58.232.0/24 7475 0.3% AS6629 -- NOAA-AS - NOAA 7 - 151.118.254.0/24 7416 0.3% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC 8 - 151.118.255.0/24 7416 0.3% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC 9 - 151.118.18.0/24 7372 0.3% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC 10 - 12.139.133.0/24 5467 0.2% AS14680 -- REALE-6 - Auction.com 11 - 208.64.180.0/24 5097 0.2% AS35905 -- TELX-NYC - Telx 12 - 69.38.178.0/24 4029 0.2% AS19406 -- TWRS-MA - Towerstream I, Inc. 13 - 194.63.9.0/24 3960 0.2% AS1273 -- CW Cable and Wireless Worldwide plc 14 - 173.232.234.0/24 3926 0.2% AS30693 -- EONIX-CORPORATION-AS-WWW-EONIX-NET - Eonix Corporation 15 - 173.232.235.0/24 3923 0.2% AS30693 -- EONIX-CORPORATION-AS-WWW-EONIX-NET - Eonix Corporation 16 - 212.28.16.0/20 3840 0.1% AS15957 -- WTG-AS Web Technology Group 17 - 212.28.0.0/20 3828 0.1% AS15957 -- WTG-AS Web Technology Group 18 - 58.184.229.0/24 3730 0.1% AS9950 -- PUBNETPLUS2-AS-KR DACOM 19 - 119.40.124.0/22 3459 0.1% AS38868 -- UPM-AS-AP Universiti Putra Malaysia AS 20 - 119.40.112.0/22 3459 0.1% AS38868 -- UPM-AS-AP Universiti Putra Malaysia AS Details at http://bgpupdates.potaroo.net ------------------------------------ Copies of this report are mailed to: nanog@nanog.org eof-list@ripe.net apops@apops.net routing-wg@ripe.net afnog@afnog.org