Data as of Nov 12, 2026

72.221.3.0/24

2 residential-proxy exits · 30 days

Cox Communications Inc.

Announcement

72.221.0.0/22

RPKI valid

Announced by

AS22773

Type

Residential

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

0.78% of its addresses · 30 days

Providers

selling exits here

Oct 13, 2026 – Nov 11, 2026

Exits seen per day

17 observations

Proxy providers listing exits

FastProxy
LemonBright
ThunderProxy
VitalExclusive

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
72.192.0.0/11	AS22773	Residential	21,941 3,743 always on	Cox Communications Inc.

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
72.192.0.0/11	2,097,152	NETBLK-COX-ATLANTA-11	Cox Communications Inc. (CXA) · US	Direct Allocation	Aug 3, 2005	abuse@charter.net
└ 72.221.0.0/22	1,024	NETBLK-NV-CBS-72-221-0-0	Cox Communications Inc. (C07297310) · US	Reassigned	Feb 19, 2019	abuse@charter.net via NETBLK-COX-ATLANTA-11

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

72.221.0.0/22

Routing history

Pattern: Stable
First seen: Dec 2015
Current origin since: Apr 2019 · 7.6 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
72.221.0.0/22	AS22773	/22	ARIN	RPKI valid
72.192.0.0/11	AS22773	/11	ARIN	Too specific

IRR

Route objects on 72.221.0.0/22

Origin	Registry	Description	Maintainer	Modified
AS22773	RADB	NOVA DATA-BUSINESS	MAINT-AS22773	Nov 13, 2023