BGP Update Report
Interval: 08-Apr-10 -to- 15-Apr-10 (7 days)
Observation Point: BGP Peering with AS131072
TOP 20 Unstable Origin AS
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS23724 35122 3.4% 2.6 -- CHINANET-IDC-BJ-AP IDC, China Telecommunications Corporation
2 - AS9829 16311 1.6% 32.6 -- BSNL-NIB National Internet Backbone
3 - AS28477 11441 1.1% 1271.2 -- Universidad Autonoma del Esstado de Morelos
4 - AS14522 11367 1.1% 61.4 -- Satnet
5 - AS17974 10727 1.0% 11.3 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia
6 - AS33475 10232 1.0% 43.5 -- RSN-1 - RockSolid Network, Inc.
7 - AS25620 9049 0.9% 74.8 -- COTAS LTDA.
8 - AS12479 8447 0.8% 444.6 -- UNI2-AS Uni2 - Lince telecomunicaciones
9 - AS26025 8391 0.8% 8391.0 -- COC - City of Calgary
10 - AS16569 8211 0.8% 8211.0 -- ASN-CITY-OF-CALGARY - City of Calgary
11 - AS35805 8071 0.8% 13.1 -- UTG-AS United Telecom AS
12 - AS17672 6886 0.7% 62.6 -- CHINATELECOM-HE-AS-AP asn for Hebei Provincial Net of CT
13 - AS19647 6310 0.6% 394.4 -- HPOD20001 - Hewlett-Packard Operation Division
14 - AS45899 6241 0.6% 26.9 -- VNPT-AS-VN VNPT Corp
15 - AS33776 5905 0.6% 22.6 -- STARCOMMS-ASN
16 - AS18747 5870 0.6% 24.1 -- IFX-NW - IFX Communication Ventures, Inc.
17 - AS7545 5583 0.5% 4.9 -- TPG-INTERNET-AP TPG Internet Pty Ltd
18 - AS14420 5425 0.5% 14.4 -- CORPORACION NACIONAL DE TELECOMUNICACIONES CNT S.A.
19 - AS4847 5173 0.5% 16.3 -- CNIX-AP China Networks Inter-Exchange
20 - AS10620 4982 0.5% 5.8 -- Telmex Colombia S.A.
TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS26025 8391 0.8% 8391.0 -- COC - City of Calgary
2 - AS16569 8211 0.8% 8211.0 -- ASN-CITY-OF-CALGARY - City of Calgary
3 - AS5691 2796 0.3% 2796.0 -- MITRE-AS-5 - The MITRE Corporation
4 - AS28477 11441 1.1% 1271.2 -- Universidad Autonoma del Esstado de Morelos
5 - AS45670 760 0.1% 760.0 -- SOFTCRYLICNET1-IN #160,North Usman Road, Third Floor
6 - AS3397 671 0.1% 671.0 -- DAVINCI - Davinci Broadband Inc.
7 - AS28052 565 0.1% 565.0 -- Arte Radiotelevisivo Argentino
8 - AS44086 556 0.1% 556.0 -- YELLIS-AS YELLIS Services
9 - AS42842 1487 0.1% 495.7 -- HELIOS-TV-AS Helios TV Ltd.
10 - AS38890 4763 0.5% 476.3 -- CITS-KITINET-AS-PH Internet Service Provider /IDC
11 - AS27027 446 0.0% 446.0 -- ANBELL ASN-ANBELL
12 - AS12479 8447 0.8% 444.6 -- UNI2-AS Uni2 - Lince telecomunicaciones
13 - AS10445 2444 0.2% 407.3 -- HTG - Huntleigh Telcom
14 - AS19647 6310 0.6% 394.4 -- HPOD20001 - Hewlett-Packard Operation Division
15 - AS11613 370 0.0% 370.0 -- U-SAVE - U-Save Auto Rental of America, Inc.
16 - AS16120 739 0.1% 369.5 -- UMFT
17 - AS20036 1470 0.1% 367.5 -- MICRO-R-D - Micro R & D
18 - AS11032 345 0.0% 345.0 -- UQ - Universite du Quebec
19 - AS9145 282 0.0% 282.0 -- EWETEL EWE TEL GmbH
20 - AS17767 263 0.0% 263.0 -- TECHNO-BD-AS TechnoBD AS for local peering and transit. Chittagong
TOP 20 Unstable Prefixes
Rank Prefix Upds % Origin AS -- AS Name
1 - 200.13.36.0/24 11393 1.0% AS28477 -- Universidad Autonoma del Esstado de Morelos
2 - 208.98.231.0/24 8391 0.7% AS26025 -- COC - City of Calgary
3 - 208.98.230.0/24 8211 0.7% AS16569 -- ASN-CITY-OF-CALGARY - City of Calgary
4 - 206.184.16.0/24 2873 0.2% AS174 -- COGENT Cogent/PSI
5 - 192.12.120.0/24 2796 0.2% AS5691 -- MITRE-AS-5 - The MITRE Corporation
6 - 85.60.194.0/23 2665 0.2% AS12479 -- UNI2-AS Uni2 - Lince telecomunicaciones
7 - 85.60.192.0/23 2425 0.2% AS12479 -- UNI2-AS Uni2 - Lince telecomunicaciones
8 - 143.138.107.0/24 2050 0.2% AS747 -- TAEGU-AS - Headquarters, USAISC
9 - 85.204.64.0/23 1953 0.2% AS6746 -- ASTRAL UPC Romania Srl, Romania
10 - 196.44.176.0/20 1639 0.1% AS31856 -- CABSAS
11 - 219.148.128.0/20 1629 0.1% AS17672 -- CHINATELECOM-HE-AS-AP asn for Hebei Provincial Net of CT
12 - 219.148.144.0/20 1629 0.1% AS17672 -- CHINATELECOM-HE-AS-AP asn for Hebei Provincial Net of CT
13 - 222.222.0.0/16 1629 0.1% AS17672 -- CHINATELECOM-HE-AS-AP asn for Hebei Provincial Net of CT
14 - 222.223.0.0/16 1628 0.1% AS17672 -- CHINATELECOM-HE-AS-AP asn for Hebei Provincial Net of CT
15 - 85.60.208.0/21 1344 0.1% AS12479 -- UNI2-AS Uni2 - Lince telecomunicaciones
16 - 85.60.208.0/22 1340 0.1% AS12479 -- UNI2-AS Uni2 - Lince telecomunicaciones
17 - 180.233.225.0/24 1320 0.1% AS38680 -- CMBHK-AS-KR CMB
18 - 90.150.0.0/24 1260 0.1% AS35400 -- MFIST Interregoinal Organization Network Technologies
19 - 41.205.160.0/20 1088 0.1% AS33776 -- STARCOMMS-ASN
20 - 124.254.32.0/19 974 0.1% AS4847 -- CNIX-AP China Networks Inter-Exchange
Details at http://bgpupdates.potaroo.net