BGP Update Report Interval: 03-Jun-10 -to- 10-Jun-10 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS30890 83244 6.6% 192.2 -- EVOLVA Evolva Telecom s.r.l. 2 - AS7132 57977 4.6% 5.2 -- SBIS-AS - AT&T Internet Services 3 - AS9829 17721 1.4% 50.5 -- BSNL-NIB National Internet Backbone 4 - AS14420 13403 1.1% 28.9 -- CORPORACION NACIONAL DE TELECOMUNICACIONES CNT S.A. 5 - AS45464 12085 0.9% 318.0 -- NEXTWEB-AS-AP Room 201, TGU Bldg 6 - AS32528 11673 0.9% 2918.2 -- ABBOTT Abbot Labs 7 - AS10474 10210 0.8% 352.1 -- NETACTIVE 8 - AS44475 7925 0.6% 247.7 -- TIADOLI-AS SC Tiadoli Company SRL 9 - AS17894 6804 0.5% 324.0 -- APMI-AS-AP AyalaPort Makati, Inc. / Data Center Operator 10 - AS28477 6717 0.5% 671.7 -- Universidad Autonoma del Esstado de Morelos 11 - AS35931 6713 0.5% 2237.7 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 12 - AS30969 6527 0.5% 120.9 -- 13 - AS37204 6516 0.5% 651.6 -- TELONE 14 - AS25620 6393 0.5% 60.3 -- COTAS LTDA. 15 - AS41852 6242 0.5% 328.5 -- EXPERTNET-AS S.C. EXPERTNET S.R.L. 16 - AS39543 6222 0.5% 259.2 -- TENNET-AS SC TENNET TELECOM SRL 17 - AS4538 5916 0.5% 100.3 -- ERX-CERNET-BKB China Education and Research Network Center 18 - AS3816 5832 0.5% 138.9 -- COLOMBIA TELECOMUNICACIONES S.A. ESP 19 - AS5800 5814 0.5% 28.8 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 20 - AS48838 5733 0.5% 212.3 -- EUROLAN-ASN Eurolan Solutions SRL TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS48861 4430 0.3% 4430.0 -- APAGA "Apaga Technologies" CJSC AS 2 - AS32528 11673 0.9% 2918.2 -- ABBOTT Abbot Labs 3 - AS35931 6713 0.5% 2237.7 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 4 - AS21271 1214 0.1% 1214.0 -- SOTELMABGP 5 - AS30402 2282 0.2% 1141.0 -- HARRIS - Harris Interactive Inc. 6 - AS27873 1113 0.1% 1113.0 -- Compañia Goly, S.A. 7 - AS11613 820 0.1% 820.0 -- U-SAVE - U-Save Auto Rental of America, Inc. 8 - AS19174 3511 0.3% 702.2 -- CNC-USA - China Netcom (USA) Operations Ltd. 9 - AS28477 6717 0.5% 671.7 -- Universidad Autonoma del Esstado de Morelos 10 - AS37204 6516 0.5% 651.6 -- TELONE 11 - AS12445 1233 0.1% 616.5 -- SPIDERNET-AS Selene s.p.a. 12 - AS31496 992 0.1% 496.0 -- ATNET-AS ATNET Autonomous System 13 - AS5058 493 0.0% 493.0 -- NRL-EXP - Naval Research Laboratory 14 - AS11081 3711 0.3% 463.9 -- United Telecommunication Services (UTS) 15 - AS27762 3144 0.2% 449.1 -- Conet N.V. 16 - AS28052 442 0.0% 442.0 -- Arte Radiotelevisivo Argentino 17 - AS50980 1611 0.1% 402.8 -- BITINFO BitInfo Centar, Mladenovac, Serbia 18 - AS10445 2334 0.2% 389.0 -- HTG - Huntleigh Telcom 19 - AS45865 377 0.0% 377.0 -- LAWSON-PH 9th Floor Net2 Center 28th St cor 3rd Ave 20 - AS30372 753 0.1% 376.5 -- SBS-NEWARK-CA - SIEMENS BUSINESS SERVICES TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 196.2.16.0/24 10070 0.7% AS10474 -- NETACTIVE 2 - 200.13.36.0/24 6676 0.5% AS28477 -- Universidad Autonoma del Esstado de Morelos 3 - 130.36.34.0/24 5823 0.4% AS32528 -- ABBOTT Abbot Labs 4 - 130.36.35.0/24 5819 0.4% AS32528 -- ABBOTT Abbot Labs 5 - 58.207.96.0/19 5540 0.4% AS4538 -- ERX-CERNET-BKB China Education and Research Network Center 6 - 190.65.228.0/22 5361 0.4% AS3816 -- COLOMBIA TELECOMUNICACIONES S.A. ESP 7 - 195.88.66.0/23 4430 0.3% AS48861 -- APAGA "Apaga Technologies" CJSC AS 8 - 143.138.107.0/24 3945 0.3% AS747 -- TAEGU-AS - Headquarters, USAISC 9 - 198.140.43.0/24 3922 0.3% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 10 - 66.102.247.0/24 3426 0.2% AS19174 -- CNC-USA - China Netcom (USA) Operations Ltd. 11 - 206.184.16.0/24 3032 0.2% AS174 -- COGENT Cogent/PSI 12 - 63.211.68.0/22 2756 0.2% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 13 - 202.92.235.0/24 2130 0.2% AS9498 -- BBIL-AP BHARTI Airtel Ltd. 14 - 196.27.108.0/22 2101 0.2% AS30969 -- 15 - 188.187.184.0/24 2100 0.2% AS41786 -- ERTH-YOLA-AS CJSC "Company "ER-Telecom" Yoshkar-Ola 16 - 98.159.128.0/24 1735 0.1% AS18910 -- BIG-SANDY-BROADBAND-INC - Big Sandy Broadband Inc 17 - 196.29.32.0/21 1449 0.1% AS37204 -- TELONE 18 - 180.233.225.0/24 1407 0.1% AS38680 -- CMBHK-AS-KR CMB 19 - 205.91.160.0/20 1309 0.1% AS5976 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 20 - 196.4.80.0/24 1235 0.1% AS37204 -- TELONE 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