Data as of Nov 6, 2026
131.187.144.0/20
No anonymizer space · no proxy exits in 30 daysOARnet
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 |
|---|---|---|---|---|---|---|
| 131.187.0.0/16 | 65,536 | OARNET | OARnet (OAR-Z) · US | Direct Allocation | Jan 3, 1989 | support@ |
| └ 131.187.144.0/20 | 4,096 | CSUOHIO-STUDENT | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 131.187.0.0/16
- Prefix
- 131.187.0.0/16
- Announced by
- AS600 OARnet
- Type
- Business
- Proxy exits
- 107
- Always-on exits
- 3
- RPKI
- No RPKI
- Netname
- OARNET
- Registrant
- OARnet
- RIR
- ARIN
Origin network
AS600
US
- Name
- OARnet
- Type
- Education
- Registered
- Mar 11, 1990
- Domain
- osc.edu
- Website
- www.oar.net/
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 131.187.0.0/16
131.187.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on 131.187.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS600 | RADB | OARnet | MAINT-AS600 | May 31, 2024 |
Whois
Registration for this announcement
- Range
- 131.
187. 0. 0/ 16 - Netname
- OARNET
- Registrant
- OARnet
- Organization
- OARnet (OAR-Z)
- Org address
- 1224 Kinnear Road, Columbus, OH, 43212-1198
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-131-187-0-0-1
- Parent
- NET-131-0-0-0-0
- Created
- Jan 3, 1989
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 3, 1989
- Status
- assigned
Report abuse
Abuse contact
- support@
oar. net - Name
- Network Operations Center
- Phone
- +1-800-627-6420
- Handle
- NOC2069-ARIN