205.173.0.0/21
🇺🇸CIDR
205.173.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
San Jose
RIR
ARIN
Status
allocated
Allocated
3/20/1995
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.173.0.0/21 | AS22284AS22284-DOI-OPS - U.S. Department of the Interior | No ROA | — | 6/2/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.173.0.0/24 | AS21633DOI-NBC-NET - U.S. Department of the Interior | No ROA | — | 6/2/2026 |
| 205.173.4.0/24 | AS21633DOI-NBC-NET - U.S. Department of the Interior | No ROA | — | 6/2/2026 |
| 205.173.5.0/24 | AS22284AS22284-DOI-OPS - U.S. Department of the Interior | No ROA | — | 6/2/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/205.173.0.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/205.173.0.0/21" | jq
External Links