Data as of Nov 15, 2026
173.211.56.0/21
No anonymizer space · no proxy exits in 30 daysColocation America Corporation
IPv4 market
Path
2 · Leased from
4 · Use
Hosting
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 173.211.56.0/24 since Feb 2017 | AS54103 | Hosting | Colocation America Corporation | |
| 173.211.57.0/24 since Feb 2024 | AS54103 | Hosting | Colocation America Corporation | |
| 173.211.58.0/24 since Feb 2017 | AS54103 | Hosting | Colocation America Corporation | |
| 173.211.59.0/24 since Feb 2017 | AS54103 | Hosting | Colocation America Corporation | |
| 173.211.60.0/24 since Feb 2017 | AS54103 | Hosting | Colocation America Corporation | |
| 173.211.61.0/24 since Feb 2017 | AS54103 | Hosting | Colocation America Corporation | |
| 173.211.62.0/24 since Feb 2024 | AS54103 | Hosting | Colocation America Corporation | |
| 173.211.63.0/24 since Feb 2017 | AS54103 | Hosting | Colocation America Corporation |
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@ |
| └ 173.211.56.0/21 | 2,048 | MOD-MISSION-CRITICAL | MOD Mission Critical (C06328844) · US | Reassigned | Feb 10, 2017 | Abuse@ via CAC-BLOCK7 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
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
- 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