Data as of Nov 14, 2026
173.211.28.0/24
Anonymizer · Datacenter proxy1 residential-proxy exit · 30 daysColocation America Corporation
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Oct 15, 2026 – Nov 13, 2026
Exits seen per day
3 observations
IPv4 market
Path
2 · Leased from
Operators, sellers and brokers
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@ |
| └ 173.211.28.0/24 | 256 | BULLET-28 | Bullet Network (BN-164) · US | Reassigned | Jan 23, 2012 | aaronnelson@ |
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