204.71.176.0/20
🇺🇸CIDR
204.71.176.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Redwood City (Redwood Shores)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.71.176.0/20 | AS3561CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC | No ROA | — | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.70.0.0/15 | AS3561CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC | No ROA | — | 5/31/2026 |
| 204.71.178.0/24 | AS396167BHN-BGP - Blackhawk Network, Inc. | No ROA | — | 5/31/2026 |
| 204.71.179.0/24 | AS396167BHN-BGP - Blackhawk Network, Inc. | No ROA | — | 5/31/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CityRedwood City (Redwood Shores)
Coordinates37.5221, -122.2570 ↗
API
Open https://api.ipctl.io/v1/prefix/204.71.176.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.71.176.0/20" | jq
External Links