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Data as of Nov 3, 2026

72.217.128.0/17

No anonymizer space · no proxy exits in 30 days

Cox Communications Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS22773
Type
Residential
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
72.192.0.0/11AS22773Residential21,059
4,217 always on
Cox 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, 2005[email protected]
└ 72.217.128.0/1732,768NETBLK-PH-RES-72-217-128-0Cox Communications Inc. (C08188442) · USReassignedFeb 8, 2022[email protected]
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