BGP Update Report
Interval: 20-Oct-08 -to- 20-Nov-08 (32 days)
Observation Point: BGP Peering with AS131072
TOP 20 Unstable Origin AS
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS4538 193657 1.6% 38.1 -- ERX-CERNET-BKB China Education and Research Network Center
2 - AS9583 193365 1.6% 162.9 -- SIFY-AS-IN Sify Limited
3 - AS10396 143531 1.2% 2474.7 -- COQUI-NET - DATACOM CARIBE, INC.
4 - AS6389 130827 1.1% 29.6 -- BELLSOUTH-NET-BLK - BellSouth.net Inc.
5 - AS1803 85966 0.7% 60.6 -- ICMNET-5 - Sprint
6 - AS6629 84544 0.7% 1300.7 -- NOAA-AS - NOAA
7 - AS209 73219 0.6% 23.3 -- ASN-QWEST - Qwest Communications Corporation
8 - AS29282 69396 0.6% 23132.0 -- EMENTOR-AS Enfo Oyj
9 - AS20115 67855 0.6% 29.0 -- CHARTER-NET-HKY-NC - Charter Communications
10 - AS23126 64248 0.6% 275.7 -- CENTURYTEL-SOLUTIONS-LLC - CenturyTel Solutions, LLC
11 - AS8151 55648 0.5% 39.3 -- Uninet S.A. de C.V.
12 - AS6298 52709 0.5% 24.6 -- ASN-CXA-PH-6298-CBS - Cox Communications Inc.
13 - AS2386 50591 0.4% 30.5 -- INS-AS - AT&T Data Communications Services
14 - AS1785 48678 0.4% 28.3 -- AS-PAETEC-NET - PaeTec Communications, Inc.
15 - AS34116 47022 0.4% 470.2 -- CYBER-AS Cyber Net AS
16 - AS6458 46003 0.4% 114.2 -- Telgua
17 - AS14106 45697 0.4% 22848.5 -- LEPMED01 - Leprechaun, LLC
18 - AS6478 45085 0.4% 26.7 -- ATT-INTERNET3 - AT&T WorldNet Services
19 - AS7018 44569 0.4% 30.2 -- ATT-INTERNET4 - AT&T WorldNet Services
20 - AS7643 42615 0.4% 27.9 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT)
TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS29282 69396 0.6% 23132.0 -- EMENTOR-AS Enfo Oyj
2 - AS14106 45697 0.4% 22848.5 -- LEPMED01 - Leprechaun, LLC
3 - AS43299 9709 0.1% 9709.0 -- TELECONTACT-AS Telecontact Ltd.
4 - AS30287 6429 0.1% 6429.0 -- ALON-USA - ALON USA, LP
5 - AS22492 13574 0.1% 4524.7 --
6 - AS40194 4209 0.0% 4209.0 -- INHOUSE-ASSOCIATES-LC - Inhouse Associates, L.C.
7 - AS37026 7700 0.1% 3850.0 -- SALT-ASN
8 - AS14220 17992 0.1% 3598.4 -- I2A - I 20 Access
9 - AS14593 3497 0.0% 3497.0 -- BRAND-INSTITUTE - Brand Instiute, Inc.
10 - AS4130 16261 0.1% 3252.2 -- UPITT-AS - University of Pittsburgh
11 - AS25799 3250 0.0% 3250.0 -- HOLMAN - Holman Enterprises
12 - AS41007 15591 0.1% 3118.2 -- CTCASTANA CTC ASTANA, KZ
13 - AS5033 26266 0.2% 2918.4 -- ISW - Internet Specialties West Inc.
14 - AS28194 14074 0.1% 2814.8 --
15 - AS30969 21480 0.2% 2685.0 -- TAN-NET TransAfrica Networks
16 - AS10396 143531 1.2% 2474.7 -- COQUI-NET - DATACOM CARIBE, INC.
17 - AS47731 2468 0.0% 2468.0 -- ISDC-AS SC ISDC ROMANIA SRL
18 - AS23917 2319 0.0% 2319.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane
19 - AS48131 2059 0.0% 2059.0 -- VANGUARD-BG-AS Vanguard SA
20 - AS22247 2005 0.0% 2005.0 -- LETOURNEAUUNIVERSITY - LeTourneau University
TOP 20 Unstable Prefixes
Rank Prefix Upds % Origin AS -- AS Name
1 - 221.134.222.0/24 61640 0.5% AS9583 -- SIFY-AS-IN Sify Limited
2 - 210.214.151.0/24 57932 0.5% AS9583 -- SIFY-AS-IN Sify Limited
3 - 77.95.144.0/22 47824 0.4% AS29282 -- EMENTOR-AS Enfo Oyj
4 - 221.135.80.0/24 40588 0.3% AS9583 -- SIFY-AS-IN Sify Limited
5 - 192.102.88.0/24 26905 0.2% AS6629 -- NOAA-AS - NOAA
6 - 198.77.177.0/24 26549 0.2% AS6629 -- NOAA-AS - NOAA
7 - 192.35.129.0/24 26543 0.2% AS6629 -- NOAA-AS - NOAA
8 - 64.162.116.0/24 26051 0.2% AS5033 -- ISW - Internet Specialties West Inc.
9 - 8.192.154.0/24 24907 0.2% AS14106 -- LEPMED01 - Leprechaun, LLC
10 - 194.126.143.0/24 24674 0.2% AS9051 -- IDM Autonomous System
11 - 192.12.120.0/24 24632 0.2% AS5691 -- MITRE-AS-5 - The MITRE Corporation
12 - 217.69.48.0/20 21553 0.2% AS29282 -- EMENTOR-AS Enfo Oyj
13 - 65.44.76.0/24 20790 0.2% AS14106 -- LEPMED01 - Leprechaun, LLC
14 - 221.128.192.0/18 18168 0.1% AS18231 -- EXATT-AS-AP IOL NETCOM LTD
15 - 150.212.224.0/19 16152 0.1% AS4130 -- UPITT-AS - University of Pittsburgh
16 - 200.33.104.0/23 13714 0.1% AS21603 -- Universidad La Salle, AC
17 - 12.2.46.0/24 13530 0.1% AS22492 --
18 - 89.4.131.0/24 12531 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
19 - 203.63.26.0/24 11031 0.1% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd
20 - 196.27.104.0/21 10409 0.1% AS30969 -- TAN-NET TransAfrica Networks
Details at http://bgpupdates.potaroo.net