Data as of Nov 11, 2026

12.185.4.0/24

No anonymizer space · no proxy exits in 30 days

AT&T Enterprises, LLC

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
12.128.0.0/9AS7018ResidentialIP broker Rackdog (part)5,309
237 always on
AT&T Enterprises, LLC
12.0.0.0/8AS7018Residential13,428
538 always on
AT&T Enterprises, LLC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
12.0.0.0/816,777,216ATTAT&T Enterprises, LLC (AEL-360) · USDirect AllocationAug 23, 1983abuse@att.net
└ 12.185.4.0/24256TCORP-FA533-4unknownReassignedJan 12, 2022abuse@att.net
via ATT

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

latest 12 of 25 stints
Summary

Routing history

Pattern
Stable
First seen
Feb 2011
Current origin since
Feb 2011 · 16 yr
Origin networks
2
Last change of origin
Dec 2011
Recorded history

History

Stints on record
25
Handoffs
1