Data as of Nov 13, 2026
146.57.0.0/16
No anonymizer space · no proxy exits in 30 daysUniversity of Minnesota
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 146.57.248.0/21 since May 2005 | AS57 | Business | University of Minnesota |
Network & registry
Origin network
AS217
US
- Name
- University of Minnesota
- Type
- Education
- Registered
- Jul 25, 1988
- Domain
- umn.edu
- Website
- www.umn.edu/
- Industry
- Manufacturing
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 146.57.0.0/17 | AS198949 | RADB | Northern Lights - UMN | MAINT-AS198949 | Nov 13, 2023 |
| 146.57.128.0/18 | AS198949 | RADB | Northern Lights - UMN | MAINT-AS198949 | Nov 13, 2023 |
| 146.57.192.0/19 | AS198949 | RADB | Northern Lights - UMN | MAINT-AS198949 | Nov 13, 2023 |
| 146.57.224.0/20 | AS198949 | RADB | Northern Lights - UMN | MAINT-AS198949 | Nov 13, 2023 |
| 146.57.240.0/21 | AS198949 | RADB | Northern Lights - UMN | MAINT-AS198949 | Nov 13, 2023 |
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