Data as of Nov 13, 2026

66.99.5.0/24

No anonymizer space · no proxy exits in 30 days

Chicago Public Library · space held by Illinois Century Network

Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
66.99.0.0/18
since Sep 2013
AS6325Business15Illinois Century Network
66.99.0.0/17
since May 2005
AS6325Business17Illinois Century Network
66.99.0.0/16
since May 2005
AS6325Business20Illinois Century Network

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Mar 2011
Current origin since
Mar 2011 · 16 yr
Origin networks
1