137.53.0.0/16
🇺🇸CIDR
137.53.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Portland (Southwest Portland)
RIR
ARIN
Status
allocated
Allocated
11/2/1989
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 137.53.0.0/16 | AS11995OHSU - Oregon Health & Science University | Valid | ARINRADB | 5/30/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionOregon
CityPortland (Southwest Portland)
Coordinates45.4981, -122.6860 ↗
API
Open https://api.ipctl.io/v1/prefix/137.53.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/137.53.0.0/16" | jq
External Links