Data as of Nov 7, 2026
173.211.42.0/23
256 anonymizer addresses · 50% · ISP proxyColocation America Corporation
IPv4 market
Path
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 173.211.42.0/23 | /24s |
|---|---|---|---|
| IPRoyal | 25650% | 1 |
Leased from
Owners leasing their own space
| Name | In 173.211.42.0/23 | /24s |
|---|---|---|
| Colocation America Corporation | 25650% | 1 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Operator | Leased from | Holder | RPKI |
|---|---|---|---|---|---|---|
| 173.211.42.0/24 since Jun 2025 | AS152672 | Hosting | IP broker IPXO | Colocation America Corporation via Internet Utilities NA LLC | ||
| 173.211.43.0/24 since Apr 2025 | AS212335 | ISP proxy | Proxy providerssold by IPRoyal | IP broker IPXO | Colocation 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 173.211.0.0/17 | 32,768 | CAC-BLOCK7 | Colocation America Corporation (CAC-89) · US | Direct Allocation | Oct 5, 2009 | Abuse@ |
| └ 173.211.42.0/23 | 512 | IL-845 | IPXO LLC (IL-845) · US | Reallocated | Nov 25, 2021 | abuse@ |
| └ 173.211.42.0/23 | 512 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jan 7, 2025 | report@ |
| └ 173.211.42.0/24 | 256 | NET-173-211-42-0 | unknown | Reassigned | Jan 7, 2025 | report@ via IL-845 |
| └ 173.211.43.0/24 | 256 | NET-173-211-43-0-24 | unknown | Reassigned | Apr 8, 2025 | report@ 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
512 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Hosting | 256 | 50% | 1 | |
| ISP proxyanonymizer | 256 | 50% | 1 |
Network & registry
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
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
Whois
Registration for this announcement
- Range
- 173.
211. 0. 0/ 17 - Netname
- CAC-BLOCK7
- Registrant
- Colocation America Corporation
- Organization
- Colocation America Corporation (CAC-89)
- Org address
- 9360 W Flamingo Rd Suite 178, Las Vegas, NV, 89147
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-173-211-0-0-1
- Parent
- NET-173-0-0-0-0
- Created
- Oct 5, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 5, 2009
- Status
- assigned
Report abuse
Abuse contact
- Abuse@
colocationamerica. com - Name
- Abuse
- Phone
- +1-800-296-8915
- Handle
- ABUSE7705-ARIN