Data as of Nov 14, 2026

12.237.103.0/24

1 residential-proxy exit · 30 days

Lubbock Christian University · space held by AT&T Enterprises, LLC

Announcement

this exact prefix

No RPKI

Announced by

AS14623

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

1.2K observations

Proxy providers listing exits

711Proxy
B2Proxy
BottingTools
ColaProxy
EZProxies
EnigmaProxy
GloryCloud
IPFly
IPPeak
LemonBright
NovaProxy
ProxyEmpire
ProxyRack
PuraRoute
RainProxy
RolaProxy
Thordata
VantageProxies
VitalExclusive

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)	5,373 246 always on	AT&T Enterprises, LLC
12.0.0.0/8	AS7018	Residential		13,497 535 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
└ 12.237.103.0/24	256	LCU-MEDI114-103	LCU Medical Clinic (C07873472) · US	Reassigned	Apr 29, 2021	abuse@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

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern: Stable
First seen: Jul 2017
Current origin since: Jul 2017 · 9.3 yr
Origin networks: 1