204.28.12.0/22
🇺🇸CIDR
204.28.12.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
Dallas
RIR
ARIN
Status
allocated
Allocated
12/10/2008
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.28.14.0/23 | AS10879UHC - Unitedhealthcare | No ROA | — | 5/31/2026 |
| 204.28.12.0/24 | AS10879UHC - Unitedhealthcare | No ROA | — | 5/31/2026 |
| 204.28.13.0/24 | AS10879UHC - Unitedhealthcare | No ROA | — | 5/31/2026 |
| 204.28.14.0/24 | AS10879UHC - Unitedhealthcare | No ROA | — | 5/31/2026 |
| 204.28.15.0/24 | AS10879UHC - Unitedhealthcare | No ROA | — | 5/31/2026 |
Origin ASN
AS46724
Geolocation
API
Open https://api.ipctl.io/v1/prefix/204.28.12.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.28.12.0/22" | jq
External Links