Data as of Nov 12, 2026

149.91.138.0/24

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
149.91.0.0/16
since Sep 2006
AS174Internet provider100
12 always on
Cogent Communications, LLC

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Rotating
First seen
Nov 2015
Current origin since
Jan 2026 · 10 mo
Origin networks
2
Last change of origin
Jan 2026
Recorded history

History

Handoffs
1