Data as of Nov 5, 2026
205.133.152.0/21
No anonymizer space · no proxy exits in 30 daysOARnet
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.133.152.0/22 since Aug 2006 | AS36831 | Business | OARnet | |
| 205.133.156.0/22 since Aug 2006 | AS36831 | Business | OARnet |
Network & registry
Announced by
Covering announcement 205.133.0.0/16
- Prefix
- 205.133.0.0/16
- Announced by
- AS600 OARnet
- Type
- Business
- Proxy exits
- 46
- Always-on exits
- 6
- RPKI
- No RPKI
- Netname
- NETBLK-OARNET-CBLK4
- 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 205.133.0.0/16
205.133.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on 205.133.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS600 | RADB | OARnet | MAINT-AS600 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 205.
133. 0. 0/ 16 - Netname
- NETBLK-OARNET-CBLK4
- Registrant
- OARnet
- Organization
- OARnet (OAR-Z)
- Org address
- 1224 Kinnear Road, Columbus, OH, 43212-1198
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-205-133-0-0-1
- Parent
- NET-205-0-0-0-0
- Created
- Feb 10, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 10, 1995
- Status
- assigned
Report abuse
Abuse contact
- support@
oar. net - Name
- Network Operations Center
- Phone
- +1-800-627-6420
- Handle
- NOC2069-ARIN