209.77.221.0/24
🇺🇸CIDR
209.77.221.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇺🇸 United States
City
Oakland (East Lake)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.77.221.0/24 | AS31764OAKLAND-USD-NET - OAKLAND UNIFIED SCHOOL DISTRICT | No ROA | — | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.76.0.0/14 | AS7018ATT-INTERNET4 - AT&T Enterprises, LLC | No ROA | — | 5/31/2026 |
| 209.77.220.0/22 | AS31764OAKLAND-USD-NET - OAKLAND UNIFIED SCHOOL DISTRICT | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/209.77.221.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.77.221.0/24" | jq
External Links