205.173.40.0/21
🇺🇸CIDR
205.173.40.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Sunnyvale (Sunnyvale West)
RIR
ARIN
Status
allocated
Allocated
3/21/1995
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.173.40.0/21 | AS3734SCCO - Santa Clara County Office of Education | No ROA | RADB | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS3734 | RADB | MAINT-AS3734 | 11/13/2023 |
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CitySunnyvale (Sunnyvale West)
Coordinates37.3527, -122.0370 ↗
API
Open https://api.ipctl.io/v1/prefix/205.173.40.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/205.173.40.0/21" | jq
External Links