Data as of Nov 3, 2026
66.78.48.0/21
1,024 anonymizer addresses · 50% · Datacenter proxyColocation America Corporation
IPv4 market
Path
2 · Leased from
4 · Use
Datacenter proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 66.78.48.0/21 | /24s |
|---|---|---|
| IPXO | 1,02450% | 4 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 66.78.52.0/24 since Oct 22, 2026 | AS136809 | Hosting | 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 |
|---|---|---|---|---|---|---|
| 66.78.0.0/18 | 16,384 | CAC-BLOCK14 | Colocation America Corporation (CAC-89) · US | Direct Allocation | Apr 26, 2016 | [email protected] |
| └ 66.78.48.0/21 | 2,048 | IPXO-LLC | IPXO LLC (IL-845) · US | Reallocated | Mar 25, 2026 | [email protected] |
| └ 66.78.48.0/21 | 2,048 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Apr 27, 2026 | [email protected] |
| └ 66.78.52.0/24 | 256 | NET-66-78-52-0-24 | unknown | Reassigned | Oct 26, 2026 | [email protected] via IPXO-LLC |
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
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Datacenter proxyanonymizer | 1,024 | 50% | 2 | |
| Hosting | 1,024 | 50% | 3 |
Network & registry
Announced by
Covering announcement 66.78.0.0/18
- Prefix
- 66.78.0.0/18
- Announced by
- AS21769 Colocation America Corporation
- Type
- Hosting
- Anonymizer addresses
- 6,400 addresses · 39%Datacenter proxy
- Operator
- Proxy providersoperated by Oxylabs
- Leased from
- IP broker IPXO (part)
- RPKI
- No RPKI
- Netname
- CAC-BLOCK14
- 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 66.78.0.0/18
66.78.0.0/18
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2016 · 11 yr
- Origin networks
- 5
- Last change of origin
- May 2016
Recorded history
History
- Handoffs
- 5
Whois
Registration for this announcement
- Range
- 66.78.0.0/18
- Netname
- CAC-BLOCK14
- 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-66-78-0-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Apr 26, 2016
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 26, 2016
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-800-296-8915
- Handle
- ABUSE7705-ARIN