Data as of Nov 7, 2026
137.81.103.0/24
1 residential-proxy exit · 30 daysUniversity of Wisconsin System · space held by University of Wisconsin-Superior
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
2
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
5 observations
Proxy providers listing exits
- FastProxy
- LemonBright
Network & registry
Announced by
Covering announcement 137.81.0.0/16
- Prefix
- 137.81.0.0/16
- Announced by
- AS3128 University of Wisconsin System
- Type
- Business
- Proxy exits
- 2
- RPKI
- RPKI valid
- Netname
- UNIVERSITY-OF-WISCONSIN-SUPERIOR
- Registrant
- University of Wisconsin-Superior
- RIR
- ARIN
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
Who has announced 137.81.0.0/16
137.81.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Nov 2014 · 12 yr
- Origin networks
- 2
- Last change of origin
- Nov 2014
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 137.81.0.0/16 | AS3128 | /24 | ARIN | RPKI valid |
IRR
Route objects on 137.81.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3128 | ARIN | University of Wisconsin-Superior | MNT-UNIVER-217-Z | May 21, 2025 |
Whois
Registration for this announcement
- Range
- 137.
81. 0. 0/ 16 - Netname
- UNIVERSITY-OF-WISCONSIN-SUPERIOR
- Registrant
- University of Wisconsin-Superior
- Organization
- University of Wisconsin-Superior (UNIVER-217-Z)
- Org address
- University of Wisconsin-Superior, Superior, WI, 54880
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-137-81-0-0-1
- Parent
- NET-137-0-0-0-0
- Created
- Nov 9, 1989
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 9, 1989
- Status
- assigned
Report abuse
Abuse contact
- abuse@
uwsuper. edu - Name
- Abuse
- Phone
- +1-715-394-8594
- Handle
- ABUSE440-ARIN