Data as of Nov 13, 2026
205.133.152.0/22
No anonymizer space · no proxy exits in 30 daysAS36831 · space held by OARnet
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 205.133.0.0/16 since May 2005 | AS600 | Business | 47 4 always on | OARnet |
Network & registry
Origin network
AS36831
ZZ
- Type
- Education
- Registered
- Nov 12, 2026
- Domain
- oar.net
- Industry
- Education Software
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2006
- Current origin since
- Aug 2006 · 20 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS36831 | RADB | 205.133.152.0/22 | 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