Data as of Nov 14, 2026

173.211.0.0/22

768 anonymizer addresses · 75%13 residential-proxy exits · 30 days

Colocation America Corporation

Announcement
No RPKI
Announced by
Type
Datacenter proxy
50% of it

Residential-proxy exits

Proxy exits
13
1.3% of its addresses · 30 days
Oct 15, 2026 – Nov 13, 2026

Exits seen per day

65 observations
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, Oxylabs
Datacenter proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 173.211.0.0/22/24sRole
IPRoyal
25625%
1
Sells it
OxylabsTesonet
25625%
1
Runs it
Runs itSells it
Leased from

Owners leasing their own space

NameIn 173.211.0.0/22/24s
Colocation America Corporation
25625%
1

Announcements

More specific

Announcements inside

PrefixOriginTypeOperatorLeased fromHolderRPKI
173.211.1.0/24
since May 2026
AS47007HostingColocation America Corporation
173.211.2.0/24
since May 2026
AS47007Datacenter proxyColocation America Corporation
173.211.3.0/24
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
└ 173.211.0.0/24256CODE200Code200 (C09044767) · LTReassignedNov 26, 2022Abuse@colocationamerica.com
via CAC-BLOCK7
└ 173.211.1.0/24256ALASKA-BROADBANDAlaska Broadband (C11386668) · USReassignedOct 13, 2025Abuse@colocationamerica.com
via CAC-BLOCK7
└ 173.211.2.0/24256BROADBAND-USABroadband USA (C11386638) · USReassignedOct 13, 2025Abuse@colocationamerica.com
via CAC-BLOCK7
└ 173.211.3.0/24256IPXOIPXO LLC (IL-845) · USReallocatedMar 5, 2024abuse@ipxo.com
└ 173.211.3.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 173.211.3.0/24256NET-173-211-3-0-24unknownReassignedJul 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
Datacenter proxyanonymizer51250%2
Hosting25625%1
ISP proxyanonymizer25625%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