138.220.0.0/16
🇺🇸CIDR
138.220.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Washington D.C. (Northwest Washington)
RIR
ARIN
Status
allocated
Allocated
5/22/1990
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 138.220.0.0/16 | AS10497WORLDBANK - IBRD | Valid | ARINRADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 138.220.5.0/24 | AS10497WORLDBANK - IBRD | Valid | — | 5/31/2026 |
Origin ASN
AS10497
WORLDBANK - IBRD
Geolocation
Country🇺🇸United StatesUS
RegionDistrict of Columbia
CityWashington D.C. (Northwest Washington)
Coordinates38.8990, -77.0424 ↗
API
Open https://api.ipctl.io/v1/prefix/138.220.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/138.220.0.0/16" | jq
External Links