221.238.220.0/24
🇨🇳CIDR
221.238.220.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇨🇳 China
City
Youyilu
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.238.220.0/24 | 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 |
|---|---|---|---|
| 221.238.220.192/27 | 🇨🇳CN | assigned | |
| 221.238.220.224/28 | 🇨🇳CN | assigned | |
| 221.238.220.112/28 | 🇨🇳CN | assigned | |
| 221.238.220.56/29 | 🇨🇳CN | assigned | |
| 221.238.220.64/29 | 🇨🇳CN | assigned | |
| 221.238.220.72/29 | 🇨🇳CN | assigned | |
| 221.238.220.80/29 | 🇨🇳CN | assigned | |
| 221.238.220.88/29 | 🇨🇳CN | assigned | |
| 221.238.220.96/29 | 🇨🇳CN | assigned | |
| 221.238.220.104/29 | 🇨🇳CN | assigned | |
| 221.238.220.128/29 | 🇨🇳CN | assigned | |
| 221.238.220.136/29 | 🇨🇳CN | assigned | |
| 221.238.220.152/29 | 🇨🇳CN | assigned | |
| 221.238.220.160/29 | 🇨🇳CN | assigned | |
| 221.238.220.168/29 | 🇨🇳CN | assigned | |
| 221.238.220.176/29 | 🇨🇳CN | assigned | |
| 221.238.220.184/29 | 🇨🇳CN | assigned | |
| 221.238.220.240/29 | 🇨🇳CN | assigned | |
| 221.238.220.32/29 | 🇨🇳CN | assigned | |
| 221.238.220.248/29 | 🇨🇳CN | assigned | |
| 221.238.220.40/29 | 🇨🇳CN | assigned | |
| 221.238.220.48/29 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/221.238.220.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.238.220.0/24" | jq
External Links