TEAM CYMRU  

TEAM CYMRU
BGP/ASN Analysis Report
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The Team Cymru Route-server

This route server and associated BGP statistics are made possible thanks to the kind donation of peering by many organizations and individuals. If you are interested in peering with the Team Cymru route server please contact us at team-cymru@cymru.com. Please click HERE for other BGP statistics.

BGP Routing Table Stats

These graphs were last updated at Tue Feb 17 10:30:02 2009 GMT
Click on any graph for additional detail

 Prefix Delta   Announcements/Withdrawals 
 Global Prefixes   Global Paths   Dampened Paths 

BGP AS-Path Analysis

This analysis was last updated at Tue Feb 17 10:00:01 2009 GMT
Click on a statistic for historical graphs

Total AS-Paths Analyzed:   7,385,602
 
Total number of unique ASNs:   30,847
Total number of bogus ASNs:   34
Total number of ASNs originating prefixes:   30,696
Number of prefixes with inconsistent origin ASNs:   1,362
 
Most frequently occurring ASN:   AS3356 - LEVEL3 Level 3 Communications   (1,745,209 occurrences)
Most frequently occurring origin ASN:   AS6389 - BELLSOUTH-NET-BLK - BellSouth.net Inc.   (117,769 occurrences)
 
Average AS-Path length:   4.67 ASNs
Longest AS-Path length, including prepends:   47 ASNs
Longest AS-Path length, without prepends:   13 ASNs
Longest AS-Path prepend length:   40 ASNs

Longest AS-Path(s), including prepends:
 
157.100.33.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?
157.100.103.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?
157.100.215.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?
157.100.216.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?
157.100.217.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?
157.100.218.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?
157.100.238.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?
 
Longest AS-Path(s), excluding prepends:
 
41.223.86.0/24   [peer024] 9911 7473 3561 701 702 15486 8881 3549 3491 9116 9116 9116 9116 12491 37075 i
 
Longest AS prepend path(s):
 
157.100.33.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?
157.100.103.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?
157.100.215.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?
157.100.216.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?
157.100.217.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?
157.100.218.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?
157.100.238.0/24   [peer024] 9911 7473 12956 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 18678 27765 23216 ?

Questions? Comments? Suggestions? Please contact TEAM CYMRU (team-cymru@cymru.com)