146.57.0.0/16
🇺🇸CIDR
146.57.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Minneapolis (Prospect Park)
RIR
ARIN
Status
allocated
Allocated
1/21/1991
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 146.57.0.0/16 | AS217UMN-SYSTEM - University of Minnesota | No ROA | ARINRADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 146.57.248.0/21 | AS57NL-GIGAPOP - University of Minnesota | No ROA | — | 5/31/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionMinnesota
CityMinneapolis (Prospect Park)
Coordinates44.9745, -93.2252 ↗
API
Open https://api.ipctl.io/v1/prefix/146.57.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/146.57.0.0/16" | jq
External Links