Data as of Nov 13, 2026

12.221.239.0/24

No anonymizer space · no proxy exits in 30 days

Point Broadband Fiber Holding, LLC · 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

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
12.128.0.0/9AS7018ResidentialIP broker Rackdog (part)5,352
241 always on
AT&T Enterprises, LLC
12.0.0.0/8AS7018Residential13,482
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
└ 12.221.224.0/204,096ATTWORLD-MIS-221-224AT&T Services, Inc. (ATTW) · USReallocatedFeb 21, 2011—
└ 12.221.236.0/221,024ATT-NET-12-221-236-0-22Community Internet Providers LLC (CIPL-4) · USReassignedApr 24, 2024noc@getcip.com

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Sep 2023
Current origin since
Sep 2023 · 3.2 yr
Origin networks
1