198.51.238.0/23
🇺🇸CIDR
198.51.238.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
Washington D.C. (Southwest Washington)
RIR
RIPE
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 198.51.238.0/23 | AS46846DOE-HQ-COOP - U.S. Department of Energy | No ROA | — | 6/1/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 198.51.239.0/24 | 🇺🇸US | allocated | |
| 198.51.238.0/24 | 🇺🇸US | allocated |
Geolocation
Country🇺🇸United StatesUS
RegionDistrict of Columbia
CityWashington D.C. (Southwest Washington)
Coordinates38.8865, -77.0250 ↗
API
Open https://api.ipctl.io/v1/prefix/198.51.238.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/198.51.238.0/23" | jq
External Links