Data as of Nov 6, 2026
72.50.224.0/23
No anonymizer space · no proxy exits in 30 daysCircle Computer Resources, Inc. · reallocated from ARK Data Centers LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 72.50.224.0/22 since May 2012 | AS30536 | Unknown | ARK Data Centers LLC | |
| 72.50.224.0/19 since Mar 2009 | AS14230 | Hosting | ARK Data Centers LLC |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 72.50.224.0/19 | 8,192 | INVOLTA-72-50-224-0--20 | ARK Data Centers LLC (INVOL-1) · US | Direct Allocation | Mar 24, 2008 | abuse@ |
| └ 72.50.224.0/23 | 512 | COVAULT | Circle Computer Resources, Inc. (CCR-32) · US | Reallocated | Mar 26, 2008 | mbs. |
| └ 72. | 248 | ATT-WIFI-SERVICES | unknown | — | — | — |
| └ 72.50.224.248/29 | 8 | CIVOLUTIONUSA | unknown | — | — | — |
| └ 72. | 48 | ATT-WIFI-SERVICES | unknown | — | — | — |
| └ 72.50.225.48/29 | 8 | CRITICALMENTION | unknown | — | — | — |
| └ 72. | 200 | ATT-WIFI-SERVICES | unknown | — | — | — |
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 | |
|---|---|---|---|---|
| Internet provider | 448 | 88% | 2 | |
| Business | 64 | 13% | 3 |
Network & registry
Registry
Holder
- Organization
- ARK Data Centers LLC
- Handle
- INVOL-1
- Range
- 72.
50. 224. 0/ 19 - Registration type
- Direct Allocation
- Record created
- Mar 24, 2008
- Reallocated to
- Circle Computer Resources, Inc. (CCR-32)
- Reallocated range
- 72.
50. 224. 0/ 23 - Reallocated
- Mar 26, 2008
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2012
- Current origin since
- Apr 2012 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 72.50.224.0/22 | AS30536 | /24 | ARIN | RPKI valid |
| 72.50.224.0/19 | AS14230 | /24 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS14230 not the origin | RADB | PNAP-CHG | MAINT-AS1828 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 72.50.224.0/24 | AS14230 | RADB | PNAP-CHG | MAINT-AS1828 | Nov 13, 2023 |
| 72.50.225.0/24 | AS14230 | RADB | PNAP-CHG | MAINT-AS1828 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 72.
50. 224. 0/ 23 - Netname
- COVAULT
- Registrant
- Circle Computer Resources, Inc.
- Organization
- Circle Computer Resources, Inc. (CCR-32)
- Org address
- 845 Capital Drive SW, Cedar Rapids, IA, 52404
- Org country
- US
- Type
- Reallocated
- Handle
- NET-72-50-224-0-2
- Parent
- NET-72-50-224-0-1
- Created
- Mar 26, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 24, 2008
- Status
- assigned
Report abuse
Abuse contact
- mbs.
support@ ccr. net - Name
- Network Operations Center
- Phone
- +1-319-362-2384
- Handle
- NOC32105-ARIN