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Data as of Nov 12, 2026

166.197.32.0/21

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	Proxy exits	Holder	RPKI
166.192.0.0/13 since Aug 2020	AS7018	Residential	6,263 144 always on	AT&T Enterprises, LLC

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
166.197.34.0/23 since Jul 2026	AS7287	Mobile	AT&T Enterprises, LLC
166.197.34.0/24 since Apr 2023	AS7287	Mobile	AT&T Enterprises, LLC
166.197.36.0/24 since Aug 2023	AS7287	Mobile	AT&T Enterprises, LLC
166.197.37.0/24 since Dec 2023	AS7287	Mobile	AT&T Enterprises, LLC
166.197.38.0/24 since Oct 2023	AS7287	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: Jun 2023
Current origin since: Jun 2023 · 3.4 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
166.197.32.0/21	AS7287	/21	ARIN	RPKI valid
166.192.0.0/13	AS7018	/13	ARIN	Another network

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS7287	ARIN	AT&T Enterprises, LLC	MNT-AEL-360	Sep 17, 2026

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
166.197.36.0/23	AS7287	ARIN	AT&T Enterprises, LLC	MNT-AEL-360	Sep 17, 2026