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Data as of Nov 11, 2026

166.147.112.0/20

No anonymizer space · no proxy exits in 30 days

AT&T Enterprises, LLC

Announcement

this exact prefix

RPKI valid

Announced by

Type

Mobile

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Holder	RPKI
166.147.64.0/18 since Aug 2026	AS7018	Residential	AT&T Enterprises, LLC

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
166.147.121.0/24 since Mar 2011	AS20057	Mobile	AT&T Enterprises, LLC
166.147.123.0/24 since Sep 2017	AS20057	Mobile	AT&T Enterprises, LLC
166.147.124.0/24 since Jun 2018	AS20057	Mobile	AT&T Enterprises, LLC
166.147.125.0/24 since Jun 2018	AS20057	Mobile	AT&T Enterprises, LLC
166.147.126.0/24 since Jun 2018	AS20057	Mobile	AT&T Enterprises, LLC
166.147.127.0/24 since Jun 2018	AS20057	Mobile	AT&T Enterprises, LLC

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: Dec 2010
Current origin since: Dec 2010 · 16 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
166.147.112.0/20	AS20057	/20	ARIN	RPKI valid
166.147.64.0/18	AS7018	/18	ARIN	Another network

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS20057	ARIN	AT&T Enterprises, LLC	MNT-AEL-360	Sep 1, 2026