128.150.0.0/16
🇺🇸CIDR
128.150.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Alexandria (Eisenhower East)
RIR
ARIN
Status
allocated
Allocated
9/17/1986
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 128.150.0.0/16 | AS102NSF-HQ-AS - U.S. National Science Foundation | No ROA | — | 5/31/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionVirginia
CityAlexandria (Eisenhower East)
Coordinates38.8016, -77.0704 ↗
API
Open https://api.ipctl.io/v1/prefix/128.150.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/128.150.0.0/16" | jq
External Links