Data as of Nov 9, 2026
138.247.97.0/24
No anonymizer space · no proxy exits in 30 daysDakota State University
Network & registry
Announced by
Covering announcement 138.247.0.0/16
- Prefix
- 138.247.0.0/16
- Announced by
- AS23122 Dakota State University
- Type
- Business
- Proxy exits
- 64
- RPKI
- RPKI valid
- Netname
- DSUNET
- Registrant
- Dakota State University
- RIR
- ARIN
Origin network
AS23122
US
- Name
- Dakota State University
- Type
- Education
- Registered
- Jan 24, 2002
- Domain
- dsu.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 138.247.0.0/16
138.247.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 138.247.0.0/16 | AS23122 | /24 | ARIN | RPKI valid |
| 138.247.0.0/16 | AS198949 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 138.
247. 0. 0/ 16 - Netname
- DSUNET
- Registrant
- Dakota State University
- Organization
- Dakota State University (DSU-Z)
- Org address
- Dakota State University, Madison, SD, 57042
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-138-247-0-0-1
- Parent
- NET-138-0-0-0-0
- Created
- Jun 13, 1990
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 13, 1990
- Status
- assigned
Report abuse
Abuse contact
- abuse@
dsu. edu - Name
- Network Administrator
- Phone
- +1-605-256-5675
- Handle
- NETWO8464-ARIN