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Data as of Nov 7, 2026

173.211.104.0/22

512 anonymizer addresses · 50%

Colocation America Corporation

Announcement
173.211.0.0/17
No RPKI
Announced by
AS21769
Type
Hosting
50% of it
IPv4 market

Path

1 · Holder
Colocation America Corporation
record created Oct 5, 2009
2 · Leased from
Colocation America Corporation
its owner, directly
3 · Announced by
AS21769 Colocation America Corporation
since Aug 2011 · 15.3 yr ago
4 · Use
Proxy providersnamed Bunny
Hosting

Operators, sellers and brokers

Proxy providers

NameParentIn 173.211.104.0/22/24s
Bunny
25625%
1
Leased from

Owners leasing their own space

NameIn 173.211.104.0/22/24s
Colocation America Corporation
51250%
2

Announcements

More specific

Announcements inside

PrefixOriginTypeOperatorLeased fromHolderRPKI
173.211.104.0/24
since Nov 2024
AS214054HostingIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
173.211.105.0/24
since Mar 2024
AS39600ISP proxyProxy providersoperated by BunnyIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
173.211.107.0/24
since Mar 2024
AS211373Datacenter 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
└ 173.211.104.0/24256IPXO-LLCIPXO LLC (IL-845) · USReallocatedJan 18, 2024abuse@ipxo.com
└ 173.211.104.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 173.211.104.0/24256CHARTVPSChartVPS Technologies (C11300582) · CAReassignedJul 30, 2025report@abuseradar.com
via IPXO-LLC
└ 173.211.105.0/24256IPXOIPXO LLC (IL-845) · USReallocatedMar 5, 2024abuse@ipxo.com
└ 173.211.105.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 173.211.105.0/24256NET-173-211-105-0-24Bunny Technology LLC (C11061858) · USReassignedJan 7, 2025report@abuseradar.com
via IPXO
└ 173.211.106.0/24256AMAZE-INTERNET-SERVICESunknown———
└ 173.211.107.0/24256IPXOIPXO LLC (IL-845) · USReallocatedMar 5, 2024abuse@ipxo.com
└ 173.211.107.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 173.211.107.0/24256NET-173-211-107-0-24unknownReassignedJan 7, 2025report@abuseradar.com
via IPXO

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
Datacenter proxyanonymizer25625%1
ISP proxyanonymizer25625%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 173.211.0.0/17

Prefix
173.211.0.0/17
Announced by
AS21769 Colocation America Corporation
Type
Hosting
Anonymizer addresses
7,168 addresses · 22%Datacenter proxy
Operator
Proxy providersoperated by Oxylabs
Leased from
IP broker IPXO (part)
RPKI
No RPKI
Netname
CAC-BLOCK7
Registrant
Colocation America Corporation
RIR
ARIN
Origin network

AS21769

US
Name
Colocation America Corporation
Type
Hosting
Registered
Jul 15, 2005
Domain
colocationamerica.com
Website
www.colocationamerica.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed