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Data as of Nov 12, 2026

72.223.240.0/21

No anonymizer space · no proxy exits in 30 days

Cox Communications Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS22773
Type
Residential
Recent change
New origin Oct 22, 2026
its first announcement on record

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
72.192.0.0/11AS22773Residential21,941
3,743 always on
Cox Communications Inc.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
72.223.244.0/22
since Nov 3, 2026
AS22773ResidentialCox Communications Inc.

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
72.192.0.0/112,097,152NETBLK-COX-ATLANTA-11Cox Communications Inc. (CXA) · USDirect AllocationAug 3, 2005abuse@charter.net
└ 72.223.128.0/1732,768NETBLK-LV-72-223-128-0Cox Communications Inc. (C06151144) · USReassignedJun 16, 2016abuse@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

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cox Communications Inc.
Handle
CXA
Range
72.192.0.0/11
Registration type
Direct Allocation
Record created
Aug 3, 2005
Origin network

AS22773

US
Name
Cox Communications Inc.
Type
Internet provider
Registered
Nov 20, 2001
Domain
cox.com
Website
www.cox.com/peering
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed