BGP Update Report Interval: 04-Apr-13 -to- 11-Apr-13 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS47331 187185 7.9% 86.9 -- TTNET TTNet A.S. 2 - AS58113 70417 3.0% 105.7 -- LIR-AS LIR DATACENTER TELECOM SRL 3 - AS4538 49555 2.1% 104.8 -- ERX-CERNET-BKB China Education and Research Network Center 4 - AS9829 45795 1.9% 45.0 -- BSNL-NIB National Internet Backbone 5 - AS8402 40069 1.7% 47.1 -- CORBINA-AS OJSC "Vimpelcom" 6 - AS2708 35747 1.5% 244.8 -- Universidad de Guanajuato 7 - AS27947 32399 1.4% 84.6 -- Telconet S.A 8 - AS33776 26384 1.1% 212.8 -- STARCOMMS-ASN 9 - AS8551 25842 1.1% 33.8 -- BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone 10 - AS9121 24919 1.1% 33.5 -- TTNET Turk Telekomunikasyon Anonim Sirketi 11 - AS3909 22217 0.9% 3173.9 -- QWEST-AS-3908 - Qwest Communications Company, LLC 12 - AS34984 22121 0.9% 29.4 -- TELLCOM-AS TELLCOM ILETISIM HIZMETLERI A.S. 13 - AS2118 21417 0.9% 15.0 -- RELCOM-AS OOO "NPO Relcom" 14 - AS7552 19478 0.8% 17.7 -- VIETEL-AS-AP Vietel Corporation 15 - AS14754 16995 0.7% 20.5 -- Telgua 16 - AS23216 15083 0.6% 150.8 -- MEGADATOS S.A. 17 - AS55714 15023 0.6% 59.9 -- APNIC-FIBERLINK-PK Fiberlink Pvt.Ltd 18 - AS647 14808 0.6% 120.4 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center 19 - AS2697 14109 0.6% 127.1 -- ERX-ERNET-AS Education and Research Network 20 - AS50710 13653 0.6% 27.7 -- EARTHLINK-AS EarthLink Ltd. Communications&Internet Services TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS19406 4256 0.2% 4256.0 -- TWRS-MA - Towerstream I, Inc. 2 - AS3909 22217 0.9% 3173.9 -- QWEST-AS-3908 - Qwest Communications Company, LLC 3 - AS6174 5864 0.2% 2932.0 -- SPRINTLINK8 - Sprint 4 - AS6629 7438 0.3% 2479.3 -- NOAA-AS - NOAA 5 - AS14680 6595 0.3% 2198.3 -- REALE-6 - Auction.com 6 - AS5074 3931 0.2% 1965.5 -- ASN-ATTELS - AT&T BMGS 7 - AS4467 1846 0.1% 1846.0 -- EASYLINK3 - AT&T Services, Inc. 8 - AS37367 3667 0.1% 1833.5 -- CALLKEY 9 - AS42860 1475 0.1% 1475.0 -- EFT Energy Financing Team (Switzerland) AG 10 - AS17293 5300 0.2% 1325.0 -- VTXC - VTX Communications 11 - AS9950 3356 0.1% 1118.7 -- PUBNETPLUS2-AS-KR DACOM 12 - AS19886 2188 0.1% 1094.0 -- BOFABROKERDEALERSVCS - Bank of America 13 - AS41023 4156 0.2% 1039.0 -- ARREKS-AS Agencja Rozwoju Regionalnego ARREKS S.A. 14 - AS45344 907 0.0% 907.0 -- IIUM-MY International Islamic University Of Malaysia 15 - AS40028 873 0.0% 873.0 -- SPD-NETWORK-1 - SPD NETWORK 16 - AS15322 867 0.0% 867.0 -- WDNCOM-ASN - WDN Communications S.A. 17 - AS23295 802 0.0% 802.0 -- EA-01 - Extend America 18 - AS31598 777 0.0% 777.0 -- TELECOMAX-AS FOP Savostin Oleg Lubobisch 19 - AS33521 712 0.0% 712.0 -- MSLA-SCHOOLS - Missoula County Public Schools 20 - AS23139 656 0.0% 656.0 -- IHI - Intelligent Holdings, Inc. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 202.41.70.0/24 9405 0.4% AS2697 -- ERX-ERNET-AS Education and Research Network 2 - 192.58.232.0/24 7434 0.3% AS6629 -- NOAA-AS - NOAA 3 - 151.118.18.0/24 7291 0.3% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC 4 - 151.118.254.0/24 7249 0.3% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC 5 - 151.118.255.0/24 7248 0.3% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC 6 - 92.246.207.0/24 7201 0.3% AS48612 -- RTC-ORENBURG-AS CJSC "Comstar-Regions" 7 - 209.142.140.0/24 7103 0.3% AS22561 -- DIGITAL-TELEPORT - Digital Teleport Inc. 8 - 12.139.133.0/24 5397 0.2% AS14680 -- REALE-6 - Auction.com 9 - 194.63.9.0/24 4536 0.2% AS1273 -- CW Cable and Wireless Worldwide plc 10 - 64.194.229.0/24 4471 0.2% AS3356 -- LEVEL3 Level 3 Communications 11 - 69.38.178.0/24 4256 0.2% AS19406 -- TWRS-MA - Towerstream I, Inc. 12 - 216.183.32.0/19 3999 0.2% AS17293 -- VTXC - VTX Communications 13 - 41.75.40.0/21 3666 0.1% AS37367 -- CALLKEY 14 - 58.184.229.0/24 3347 0.1% AS9950 -- PUBNETPLUS2-AS-KR DACOM 15 - 205.65.128.0/22 3085 0.1% AS5976 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center AS647 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center 16 - 206.105.75.0/24 2932 0.1% AS6174 -- SPRINTLINK8 - Sprint 17 - 208.16.110.0/24 2932 0.1% AS6174 -- SPRINTLINK8 - Sprint 18 - 193.19.90.0/23 2776 0.1% AS29684 -- NOURNET-ASN Nour Communication Co.Ltd - Nournet 19 - 115.170.128.0/17 2749 0.1% AS4847 -- CNIX-AP China Networks Inter-Exchange 20 - 2.93.235.0/24 2738 0.1% AS8402 -- CORBINA-AS OJSC "Vimpelcom" 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