Data as of Nov 7, 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
AS6325Business14Illinois Century Network
66.99.0.0/17
since May 2005
AS6325Business16Illinois Century Network
66.99.0.0/16
since May 2005
AS6325Business20Illinois Century Network

Network & registry

Origin network

AS19480

US
Name
Chicago Public Library
Type
Business
Registered
Feb 4, 2011
Domain
chipublib.org
Industry
Libraries and Archives
Spamhaus ASN-DROP
not listed