204.228.96.0/19
🇺🇸CIDR
204.228.96.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇺🇸 United States
City
Chicago
RIR
ARIN
Status
allocated
Allocated
1/12/1995
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.228.96.0/19 | AS30136AD12 - Adams 12 | Valid | RADB | 6/1/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.228.64.0/18 | AS209CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC | No ROA | — | 6/1/2026 |
| 204.228.96.0/24 | AS30136AD12 - Adams 12 | Valid | — | 6/1/2026 |
| 204.228.97.0/24 | AS30136AD12 - Adams 12 | Valid | — | 6/1/2026 |
Origin ASN
AS30136
AD12 - Adams 12
Geolocation
API
Open https://api.ipctl.io/v1/prefix/204.228.96.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.228.96.0/19" | jq
External Links