221.238.204.0/24
🇨🇳CIDR
221.238.204.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇨🇳 China
City
Dawangzhuang (Hedong Qu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.238.204.0/24 | AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT | No ROA | RADB | 6/2/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.238.192.0/18 | AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT | No ROA | — | 6/2/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS17638 | RADB | MAINT-CT-GNOC | 11/13/2023 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 221.238.204.64/26 | 🇨🇳CN | assigned | |
| 221.238.204.128/27 | 🇨🇳CN | assigned | |
| 221.238.204.0/28 | 🇨🇳CN | assigned | |
| 221.238.204.48/28 | 🇨🇳CN | assigned | |
| 221.238.204.176/29 | 🇨🇳CN | assigned | |
| 221.238.204.16/29 | 🇨🇳CN | assigned | |
| 221.238.204.24/29 | 🇨🇳CN | assigned | |
| 221.238.204.40/29 | 🇨🇳CN | assigned | |
| 221.238.204.208/29 | 🇨🇳CN | assigned | |
| 221.238.204.216/29 | 🇨🇳CN | assigned | |
| 221.238.204.224/29 | 🇨🇳CN | assigned | |
| 221.238.204.232/29 | 🇨🇳CN | assigned | |
| 221.238.204.240/29 | 🇨🇳CN | assigned | |
| 221.238.204.160/29 | 🇨🇳CN | assigned | |
| 221.238.204.168/29 | 🇨🇳CN | assigned | |
| 221.238.204.192/29 | 🇨🇳CN | assigned | |
| 221.238.204.200/29 | 🇨🇳CN | assigned | |
| 221.238.204.36/30 | 🇨🇳CN | assigned | |
| 221.238.204.252/30 | 🇨🇳CN | assigned | |
| 221.238.204.248/30 | 🇨🇳CN | assigned | |
| 221.238.204.32/30 | 🇨🇳CN | assigned | |
| 221.238.204.184/30 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/221.238.204.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.238.204.0/24" | jq
External Links