205.222.240.0/21
🇺🇸CIDR
205.222.240.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Rockville
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.222.240.0/21 | AS32073MCPS-K12-MD-US - Montgomery County Public Schools | Valid | ARIN | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.222.245.0/24 | AS32073MCPS-K12-MD-US - Montgomery County Public Schools | Valid | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/205.222.240.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/205.222.240.0/21" | jq
External Links