LAYER3 INTEL
Get started
Sign in
Data as of Nov 6, 2026

173.211.80.0/22

512 anonymizer addresses · 50% · ISP proxy

Cox Communications Inc. · space held by Colocation America Corporation

Announcement
173.211.80.0/21
No RPKI
Announced by
AS22773
Type
Hosting
50% of it
IPv4 market

Path

1 · Holder
Colocation America Corporation
record created Oct 5, 2009 · reallocated to Internet Utilities NA LLC Jan 7, 2025
2 · Leased from
IPXO
for its owner Colocation America Corporation
3 · Announced by
AS22773 Cox Communications Inc.
since Jun 2022 · 4.4 yr ago
4 · Use
Hosting
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 173.211.80.0/22/24s
IPXO
51250%
2
Leased from

Owners leasing their own space

NameIn 173.211.80.0/22/24s
Colocation America Corporation
51250%
2

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorLeased fromHolderRPKI
173.211.0.0/17
since Aug 2011
AS21769Hosting7,16822%Datacenter proxyProxy providersoperated by OxylabsIP broker IPXO (part)Colocation America Corporation
More specific

Announcements inside

PrefixOriginTypeLeased fromHolderRPKI
173.211.80.0/24
since Jun 2022
AS19437HostingIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
173.211.81.0/24
since Oct 2023
AS396356HostingIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
173.211.82.0/23
since Sep 18, 2026
AS33490ISP proxyIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
173.211.0.0/1732,768CAC-BLOCK7Colocation America Corporation (CAC-89) · USDirect AllocationOct 5, 2009Abuse@colocationamerica.com
└ 173.211.80.0/212,048IL-845IPXO LLC (IL-845) · USReallocatedNov 24, 2021abuse@ipxo.com
└ 173.211.80.0/212,048NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 173.211.81.0/24256NET-173-211-81-0-24unknownReassignedJan 7, 2025report@abuseradar.com
via IL-845
└ 173.211.82.0/23512NET-173-211-82-0-23unknownReassignedJan 7, 2025report@abuseradar.com
via IL-845

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Hosting51250%2
ISP proxyanonymizer51250%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 173.211.80.0/21

Prefix
173.211.80.0/21
Announced by
AS22773 Cox Communications Inc.
Type
Unknown
Anonymizer addresses
none
Leased from
IP broker IPXO
RPKI
No RPKI
Netname
NETUTILS
Registrant
Internet Utilities NA LLC
RIR
ARIN
IPv4 market

Holder

Holder in the market →
Organization
Colocation America Corporation
Handle
CAC-89
Range
173.211.0.0/17
Registration type
Direct Allocation
Record created
Oct 5, 2009
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
173.211.80.0/21
Reallocated
Jan 7, 2025
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