Data as of Nov 13, 2026

173.211.124.0/22

256 anonymizer addresses · 25% · ISP proxy

Colocation America Corporation

Announcement
No RPKI
Announced by
Type
Hosting
50% of it
IPv4 market

Path

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

Operators, sellers and brokers

Proxy providers

NameParentIn 173.211.124.0/22/24s
IPRoyal
25625%
1
Leased from

Owners leasing their own space

NameIn 173.211.124.0/22/24s
Colocation America Corporation
25625%
1

Announcements

More specific

Announcements inside

PrefixOriginTypeOperatorLeased fromHolderRPKI
173.211.125.0/24
since Apr 2024
AS399672UnknownIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
173.211.127.0/24
since Jul 2026
AS211440ISP proxyProxy providerssold by IPRoyalIP 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
└ 173.211.124.0/221,024IPXOIPXO LLC (IL-845) · USReallocatedJul 29, 2022abuse@ipxo.com
└ 173.211.124.0/221,024NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 173.211.124.0/24256NET-173-211-124-0-24unknown———
└ 173.211.125.0/24256NET-173-211-125-0-24unknownReassignedSep 1, 2025report@abuseradar.com
via IPXO
└ 173.211.126.0/24256NET-173-211-126-0-24unknownReassignedOct 11, 2026report@abuseradar.com
via IPXO
└ 173.211.127.0/24256NET-173-211-127-0-24unknownReassignedJul 9, 2026report@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
ISP proxyanonymizer25625%1
Unknown25625%1

Network & registry

Routing timeline

Who has announced 173.211.0.0/17

173.211.0.0/17

Routing history

Pattern
Stable
First seen
May 2010
Current origin since
Aug 2011 · 15 yr
Origin networks
2
Last change of origin
Aug 2011
Recorded history

History

Handoffs
1