146.57.248.0/21 University of Minnesota
Announced by AS57 University of Minnesota. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 146.57.248.0/21
Prefix
Origin
AS57 NL-GIGAPOP
RPKI
RPKI not found
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
3 exact, 2 covering
In RouteViews
2026-10-14 16:02 UTC
Paths
How 146.57.248.0/21 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 3257 57×3
| Origin | AS57 University of Minnesota |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 14h 36m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 57×3
| Origin | AS57 University of Minnesota |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 1h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 11164 57
| Origin | AS57 University of Minnesota |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 2h 58m ago |
RPKI
Route origin authorizations
No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 146.57.248.0/21 | AS57 NL-GIGAPOP | ARIN | Northern Lights GigaPoP University of Minnesota Office of Information Technology 2829 University Ave SE Minneapolis MN 55414 United States | MNT-UNIVER-233-Z |
| 146.57.248.0/21 | AS57 NL-GIGAPOP | RADB | Northern Lights GigaPOP Office of Information Technology University of Minnesota Information Technology Building 2218 University Ave SE Minneapolis, MN 55414 | MAINT-AS217 |
| 146.57.248.0/21 | AS198949 Radware | RADB | Northern Lights GigaP | MAINT-AS198949 |
| 146.57.0.0/16 covering | AS217 UMN-SYSTEM | ARIN | University of Minnesota Office of Information Technology 2829 University Ave SE Minneapolis MN 55414 United States | MNT-UNIVER-233-Z |
| 146.57.0.0/16 covering | AS217 UMN-SYSTEM | RADB | University of Minnesota University Networking Services 130 Lind Hall 207 Church Street SE Minneapolis MN 55455, USA | MAINT-AS217 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.