199.16.64.0/20
🇺🇸CIDR
199.16.64.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Washington D.C. (Capitol Hill)
RIR
ARIN
Status
allocated
Allocated
9/30/1993
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.16.64.0/20 | AS54521THE-NATIONAL-GALLERY-OF-ART - National Gallery of Art | No ROA | — | 5/31/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionDistrict of Columbia
CityWashington D.C. (Capitol Hill)
Coordinates38.8899, -77.0090 ↗
API
Open https://api.ipctl.io/v1/prefix/199.16.64.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/199.16.64.0/20" | jq
External Links