12.221.212.0/22
🇺🇸CIDR
12.221.212.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
Valley Center
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 12.221.212.0/22 | AS2386INS-AS - AT&T Enterprises, LLC | No ROA | — | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 12.0.0.0/8 | AS7018ATT-INTERNET4 - AT&T Enterprises, LLC | No ROA | — | 6/1/2026 |
| 12.128.0.0/9 | AS7018ATT-INTERNET4 - AT&T Enterprises, LLC | No ROA | — | 6/1/2026 |
Origin ASN
AS2386
INS-AS - AT&T Enterprises, LLC
Geolocation
API
Open https://api.ipctl.io/v1/prefix/12.221.212.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/12.221.212.0/22" | jq
External Links