BGP Update Report
Interval: 13-May-10 -to- 20-May-10 (7 days)
Observation Point: BGP Peering with AS131072
TOP 20 Unstable Origin AS
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS4538 36343 3.2% 6.9 -- ERX-CERNET-BKB China Education and Research Network Center
2 - AS17974 28658 2.5% 63.3 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia
3 - AS14420 23276 2.1% 56.8 -- CORPORACION NACIONAL DE TELECOMUNICACIONES CNT S.A.
4 - AS36992 17477 1.5% 28.4 -- ETISALAT-MISR
5 - AS5800 13012 1.1% 52.7 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center
6 - AS4323 12992 1.1% 4.5 -- TWTC - tw telecom holdings, inc.
7 - AS9829 10704 0.9% 23.9 -- BSNL-NIB National Internet Backbone
8 - AS28477 10236 0.9% 1137.3 -- Universidad Autonoma del Esstado de Morelos
9 - AS8452 8620 0.8% 8.9 -- TEDATA TEDATA
10 - AS32528 7885 0.7% 1577.0 -- ABBOTT Abbot Labs
11 - AS13979 7864 0.7% 6.2 -- ATT-IPFR - AT&T WorldNet Services
12 - AS24560 7543 0.7% 8.5 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services
13 - AS41786 6870 0.6% 312.3 -- ERTH-YOLA-AS CJSC "Company "ER-Telecom" Yoshkar-Ola
14 - AS3549 6659 0.6% 107.4 -- GBLX Global Crossing Ltd.
15 - AS17488 6338 0.6% 5.4 -- HATHWAY-NET-AP Hathway IP Over Cable Internet
16 - AS8151 5472 0.5% 8.9 -- Uninet S.A. de C.V.
17 - AS12641 5338 0.5% 5.7 -- BT_MPLS BT Global Services MPLS core network
18 - AS22773 5243 0.5% 7.4 -- ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
19 - AS34984 4741 0.4% 21.2 -- TELLCOM-AS Tellcom Iletisim Hizmetleri
20 - AS20115 4637 0.4% 5.4 -- CHARTER-NET-HKY-NC - Charter Communications
TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS48754 2637 0.2% 2637.0 -- SOBIS-AS SC SOBIS SOLUTIONS SRL
2 - AS35931 3341 0.3% 1670.5 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC
3 - AS32528 7885 0.7% 1577.0 -- ABBOTT Abbot Labs
4 - AS50788 1336 0.1% 1336.0 -- OSYPENKO-AS FOP Osypenko Vitalij Volodymyrovych
5 - AS28477 10236 0.9% 1137.3 -- Universidad Autonoma del Esstado de Morelos
6 - AS11613 936 0.1% 936.0 -- U-SAVE - U-Save Auto Rental of America, Inc.
7 - AS18399 645 0.1% 645.0 -- BAGAN-TRANSIT-AS Bagan Cybertech IDC & Teleport International Transit
8 - AS28052 576 0.1% 576.0 -- Arte Radiotelevisivo Argentino
9 - AS29544 1097 0.1% 548.5 -- MAURITEL-AS
10 - AS29493 419 0.0% 419.0 -- GRIDPNPI Institution of Russian Science Academy Petersburg Nuclear Physics Institute of B.P. Konstantinov RAN
11 - AS10445 2378 0.2% 396.3 -- HTG - Huntleigh Telcom
12 - AS3505 738 0.1% 369.0 -- WINDSTREAM - Windstream Communications Inc
13 - AS7534 1318 0.1% 329.5 -- SILKERA-TW NEW SILKERA NETWORK
14 - AS27067 658 0.1% 329.0 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center
15 - AS38331 328 0.0% 328.0 -- ITS-AS-ID-AP Institut Teknologi Sepuluh Nopember
16 - AS41786 6870 0.6% 312.3 -- ERTH-YOLA-AS CJSC "Company "ER-Telecom" Yoshkar-Ola
17 - AS15102 3095 0.3% 281.4 -- ASN-WIBAND-1 - WiBand Communications Corp.
18 - AS37144 259 0.0% 259.0 -- VALUCARD-NG
19 - AS10697 4308 0.4% 253.4 -- Interlink S.R.L.
20 - AS50257 444 0.0% 222.0 -- A-MOBILE-AS JV A-Mobile Ltd.
TOP 20 Unstable Prefixes
Rank Prefix Upds % Origin AS -- AS Name
1 - 58.207.96.0/19 10764 0.9% AS4538 -- ERX-CERNET-BKB China Education and Research Network Center
2 - 200.13.36.0/24 10213 0.8% AS28477 -- Universidad Autonoma del Esstado de Morelos
3 - 188.187.184.0/24 6677 0.5% AS41786 -- ERTH-YOLA-AS CJSC "Company "ER-Telecom" Yoshkar-Ola
4 - 64.76.40.0/24 6114 0.5% AS3549 -- GBLX Global Crossing Ltd.
5 - 130.36.34.0/24 3910 0.3% AS32528 -- ABBOTT Abbot Labs
6 - 130.36.35.0/24 3909 0.3% AS32528 -- ABBOTT Abbot Labs
7 - 206.184.16.0/24 2941 0.2% AS174 -- COGENT Cogent/PSI
8 - 200.50.186.0/24 2828 0.2% AS10697 -- Interlink S.R.L.
9 - 91.212.23.0/24 2637 0.2% AS48754 -- SOBIS-AS SC SOBIS SOLUTIONS SRL
10 - 143.138.107.0/24 2505 0.2% AS747 -- TAEGU-AS - Headquarters, USAISC
11 - 205.91.160.0/20 2160 0.2% AS5976 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center
12 - 198.140.43.0/24 2133 0.2% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC
13 - 180.233.225.0/24 1433 0.1% AS38680 -- CMBHK-AS-KR CMB
14 - 202.92.235.0/24 1404 0.1% AS9498 -- BBIL-AP BHARTI Airtel Ltd.
15 - 193.107.224.0/22 1336 0.1% AS50788 -- OSYPENKO-AS FOP Osypenko Vitalij Volodymyrovych
16 - 213.55.112.0/21 1277 0.1% AS24757 -- EthioNet-AS
17 - 213.55.96.0/20 1277 0.1% AS24757 -- EthioNet-AS
18 - 90.150.0.0/24 1254 0.1% AS35400 -- MFIST Interregoinal Organization Network Technologies
19 - 200.50.187.0/24 1217 0.1% AS10697 -- Interlink S.R.L.
20 - 63.211.68.0/22 1208 0.1% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC
Details at http://bgpupdates.potaroo.net