Data as of Nov 8, 2026
146.57.248.0/21
No anonymizer space · no proxy exits in 30 daysUniversity of Minnesota
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 146.57.0.0/16 since May 2005 | AS217 | Business | University of Minnesota |
Network & registry
Origin network
AS57
US
- Name
- University of Minnesota
- Type
- Education
- Registered
- Dec 18, 1985
- Domain
- umn.edu
- Website
- it.umn.edu/northern-lights-gigapop-introduction
- 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
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 146.
57. 0. 0/ 16 - Netname
- UMN-MRS-NET
- Registrant
- University of Minnesota
- Organization
- University of Minnesota (UNIVER-233-Z)
- Org address
- Office of Information Technology, Minneapolis, MN, 55414
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-146-57-0-0-1
- Parent
- NET-146-0-0-0-0
- Created
- Jan 21, 1991
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 21, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
umn. edu - Name
- UIS - University Information Security
- Phone
- +1-612-301-4357
- Handle
- UUIS-ARIN