Data as of Nov 4, 2026

166.175.0.0/16

No anonymizer space · no proxy exits in 30 days

AT&T Enterprises, LLC

Announcement

this exact prefix

RPKI valid

Announced by

Type

Mobile

Recent change

New origin Aug 2026

its first announcement on record

Announcements

Nesting

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.

More specific

Prefix	Origin	Type	Holder
166.175.0.0/18 since Jun 2014	AS20057	Mobile	AT&T Enterprises, LLC
166.175.56.0/22 since Jun 2014	AS20057	Mobile	AT&T Enterprises, LLC
166.175.60.0/22 since Apr 2014	AS20057	Mobile	AT&T Enterprises, LLC
166.175.64.0/18 since Apr 2014	AS20057	Mobile	AT&T Enterprises, LLC
166.175.128.0/18 since May 2014	AS20057	Mobile	AT&T Enterprises, LLC
166.175.184.0/22 since May 2014	AS20057	Mobile	AT&T Enterprises, LLC
166.175.188.0/22 since Jul 2014	AS20057	Mobile	AT&T Enterprises, LLC
166.175.192.0/18 since Jul 2014	AS20057	Mobile	AT&T Enterprises, LLC

Origin network

RPKI

ROA prefix	ASN	Max len	Anchor	Verdict
166.175.0.0/16	AS7018	/16	ARIN	RPKI valid

IRR

Origin	Registry	Description	Maintainer	Modified
AS7018	ARIN	AT&T Enterprises, LLC	MNT-AEL-360	Aug 26, 2026