137.18.0.0/16
🇺🇸CIDR
137.18.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Washington D.C. (Southwest Washington)
RIR
ARIN
Status
allocated
Allocated
10/10/1989
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 137.18.0.0/16 | AS1999HOUSE-AS-1 - U.S. House of Representatives | No ROA | — | 5/31/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionDistrict of Columbia
CityWashington D.C. (Southwest Washington)
Coordinates38.8848, -77.0206 ↗
API
Open https://api.ipctl.io/v1/prefix/137.18.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/137.18.0.0/16" | jq
External Links