151.188.0.0/16
🇺🇸CIDR
151.188.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Alexandria
RIR
ARIN
Status
allocated
Allocated
9/23/1991
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 151.188.0.0/16 | AS21984FCPS - Fairfax County Public Schools | No ROA | RADB | 5/31/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 151.188.0.0/18 | AS21984FCPS - Fairfax County Public Schools | No ROA | — | 5/31/2026 |
| 151.188.64.0/18 | AS21984FCPS - Fairfax County Public Schools | No ROA | — | 5/31/2026 |
| 151.188.128.0/18 | AS21984FCPS - Fairfax County Public Schools | No ROA | — | 5/31/2026 |
| 151.188.192.0/18 | AS21984FCPS - Fairfax County Public Schools | No ROA | — | 5/31/2026 |
| 151.188.77.0/24 | AS21984FCPS - Fairfax County Public Schools | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS21984 | RADB | MAINT-AS7922 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/151.188.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/151.188.0.0/16" | jq
External Links