BGP Update Report
Interval: 04-May-07 -to- 14-May-07 (10 days)
Observation Point: BGP Peering with AS4637
TOP 20 Unstable Origin AS
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS306 22191 2.3% 121.9 -- DNIC - DoD Network Information Center
2 - AS4775 20361 2.1% 134.0 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus +
3 - AS7018 13357 1.4% 8.9 -- ATT-INTERNET4 - AT&T WorldNet Services
4 - AS2386 12429 1.3% 10.9 -- INS-AS - AT&T Data Communications Services
5 - AS6478 12018 1.3% 10.9 -- ATT-INTERNET3 - AT&T WorldNet Services
6 - AS24731 12003 1.3% 279.1 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
7 - AS15471 11352 1.2% 71.0 -- SNR-RO SNR - Societatea Nationala de Radiocomunicatii
8 - AS1239 10928 1.1% 13.2 -- SPRINTLINK - Sprint
9 - AS11492 10898 1.1% 10.3 -- CABLEONE - CABLE ONE
10 - AS9837 9690 1.0% 40.2 -- POWERTEL-AP Powertel Ltd
11 - AS5786 9506 1.0% 58.0 -- UPRENET - University of Puerto Rico
12 - AS30890 7403 0.8% 36.1 -- EVOLVA Evolva Telecom
13 - AS5803 7211 0.8% 80.1 -- DDN-ASNBLK - DoD Network Information Center
14 - AS2901 7090 0.8% 191.6 -- OGT-AS - Oso Grande Technologies, Inc.
15 - AS8151 7017 0.7% 5.8 -- Uninet S.A. de C.V.
16 - AS17974 6236 0.7% 17.4 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA
17 - AS34040 6135 0.7% 266.7 -- CZTTNET-AS TTNET Czech Republic
18 - AS4621 5740 0.6% 39.0 -- UNSPECIFIED UNINET-TH
19 - AS6197 5657 0.6% 5.4 -- BATI-ATL - BellSouth Network Solutions, Inc
20 - AS41271 5587 0.6% 58.2 -- AZURE-AS SC AZURE SOFTWARE SRL
TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS30375 901 0.1% 901.0 -- TEVA-NA - Teva Pharmaceuticals USA, INC
2 - AS34378 623 0.1% 623.0 -- RUG-AS Razguliay-UKRROS Group
3 - AS30600 1100 0.1% 550.0 -- CSDI-ASN01 - Corbett Systems Development, Inc.
4 - AS12408 538 0.1% 538.0 -- BIKENT-AS Bikent Ltd. Autonomous system
5 - AS29700 1592 0.2% 530.7 -- CYPRESS-SEMICONDUCTOR - Cypress Semiconductor
6 - AS41866 504 0.1% 504.0 -- INTERFAXINC-AS Interfax Inc
7 - AS28977 836 0.1% 418.0 -- UN-UNLB United Nations Logistics Base Brindisi, Italy
8 - AS41555 403 0.0% 403.0 -- NOVATKL-AS FW Austria, Kundl
9 - AS25872 389 0.0% 389.0 -- ARQULE - ArQule Inc.
10 - AS30707 1132 0.1% 377.3 --
11 - AS17645 4073 0.4% 370.3 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD
12 - AS33630 337 0.0% 337.0 -- FIRMLOGICWS - FIRMLOGIC
13 - AS10178 3600 0.4% 327.3 -- KBTUS-AS Korea Baptist Theological University/Seminary
14 - AS22433 296 0.0% 296.0 -- HRMC - Human Resource Management Center, Inc.
15 - AS28650 285 0.0% 285.0 -- Dilmar Antonio Simonetti
16 - AS24731 12003 1.3% 279.1 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
17 - AS40981 268 0.0% 268.0 -- UNIVCG University of Montenegro
18 - AS34040 6135 0.7% 266.7 -- CZTTNET-AS TTNET Czech Republic
19 - AS28618 255 0.0% 255.0 -- Linktel Telecomunicacoes do Brasil Ltda
20 - AS3217 739 0.1% 246.3 -- SIMBIRSK
TOP 20 Unstable Prefixes
Rank Prefix Upds % Origin AS -- AS Name
1 - 203.177.10.0/24 9999 0.7% AS4775 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus +
2 - 203.177.132.0/24 9884 0.7% AS4775 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus +
3 - 62.204.228.0/23 3039 0.2% AS34040 -- CZTTNET-AS TTNET Czech Republic
4 - 62.204.230.0/23 3010 0.2% AS34040 -- CZTTNET-AS TTNET Czech Republic
5 - 89.4.131.0/24 2583 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
6 - 89.4.130.0/24 2467 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
7 - 89.4.128.0/24 2464 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
8 - 89.4.129.0/24 2417 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
9 - 89.4.158.0/24 1680 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
10 - 194.42.208.0/20 1494 0.1% AS705 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
11 - 192.6.180.0/24 1362 0.1% AS2129 -- HP-EUROPE-AS-TRADE Hewlett-Packard
12 - 58.65.1.0/24 1361 0.1% AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD
13 - 202.136.182.0/24 1353 0.1% AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD
14 - 202.136.176.0/24 1351 0.1% AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD
15 - 216.85.83.0/24 1168 0.1% AS4323 -- TWTC - Time Warner Telecom, Inc.
16 - 64.95.193.0/24 1064 0.1% AS30707 --
17 - 208.54.88.0/24 1047 0.1% AS21928 -- T-MOBILE-AS21928 - T-Mobile USA
18 - 192.91.185.0/24 1044 0.1% AS9837 -- POWERTEL-AP Powertel Ltd
19 - 143.81.0.0/21 1044 0.1% AS6034 -- DDN-ASNBLK - DoD Network Information Center
20 - 203.23.245.0/24 986 0.1% AS9837 -- POWERTEL-AP Powertel Ltd
Details at http://bgpupdates.potaroo.net