Data as of Nov 8, 2026
138.49.160.0/22
No anonymizer space · no proxy exits in 30 daysUniversity of Wisconsin System · space held by University of Wisconsin-La Crosse
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 138.49.0.0/16 since Sep 2014 | AS3128 | Business | 48 | University of Wisconsin-La Crosse |
Network & registry
Origin network
AS3128
US
- Name
- University of Wisconsin System
- Type
- Education
- Registered
- Nov 17, 1993
- Domain
- wisconsin.edu
- Website
- www.wisconsin.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2017
- Current origin since
- Jul 2025 · 1.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 138.49.0.0/16 | AS3128 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 138.
49. 0. 0/ 16 - Netname
- UWLAX
- Registrant
- University of Wisconsin-La Crosse
- Organization
- University of Wisconsin-La Crosse (UNIVER-287-Z)
- Org address
- 1725 State Street, La Crosse, WI, 54601
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-138-49-0-0-1
- Parent
- NET-138-0-0-0-0
- Created
- Feb 6, 1990
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 6, 1990
- Status
- assigned
Report abuse
Abuse contact
- mbornheimer@
uwlax. edu - Name
- Bornheimer, Matthew
- Phone
- +1-608-317-4428
- Handle
- BORNH19-ARIN