Data as of Nov 11, 2026

67.66.136.0/23

No anonymizer space · no proxy exits in 30 days

SSM Health Care · space held by AT&T Enterprises, LLC

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
67.66.136.0/21
since May 2005
AS26305BusinessAT&T Enterprises, LLC
67.64.0.0/14
since Oct 2013
AS7018Residential296
20 always on
AT&T Enterprises, LLC

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Sep 2019
Current origin since
Sep 2019 · 7.1 yr
Origin networks
1