Data as of Nov 14, 2026

12.203.87.0/24

1 residential-proxy exit · 30 days

Personal Network Computing · space held by AT&T Enterprises, LLC

Announcement

this exact prefix

No RPKI

Announced by

AS393508

Type

Business

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

0.39% of its addresses · 30 days

Providers

selling exits here

Oct 15, 2026 – Nov 13, 2026

Exits seen per day

4 observations

Proxy providers listing exits

ColaProxy
Thordata

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Leased from	Proxy exits	Holder	RPKI
12.128.0.0/9	AS7018	Residential	IP broker Rackdog (part)	5,394 249 always on	AT&T Enterprises, LLC
12.0.0.0/8	AS7018	Residential		13,500 547 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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
12.0.0.0/8	16,777,216	ATT	AT&T Enterprises, LLC (AEL-360) · US	Direct Allocation	Aug 23, 1983	abuse@att.net
└ 12.203.0.0/16	65,536	ATTWORLD25	AT&T Services, Inc. (ATTW) · US	Reallocated	May 4, 2010	—
└ 12.203.86.0/23	512	PERSONAL941-86	Personal Network Computing (C08198093) · US	Reassigned	Feb 19, 2022	—

Network & registry

Announcement Routing history Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern: Stable
First seen: Jan 2015
Current origin since: Jan 2015 · 12 yr
Origin networks: 1