221.226.4.0/24
🇨🇳CIDR
221.226.4.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇨🇳 China
City
Nanjing (Gulou Qu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.226.4.0/24 | AS4134CHINANET-BACKBONE - No.31,Jin-rong Street | No ROA | — | 6/14/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.224.0.0/13 | AS4134CHINANET-BACKBONE - No.31,Jin-rong Street | No ROA | — | 6/14/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 221.226.4.0/29 | 🇨🇳CN | assigned | |
| 221.226.4.104/29 | 🇨🇳CN | assigned | |
| 221.226.4.168/29 | 🇨🇳CN | assigned | |
| 221.226.4.184/29 | 🇨🇳CN | assigned | |
| 221.226.4.208/29 | 🇨🇳CN | assigned | |
| 221.226.4.48/29 | 🇨🇳CN | assigned | |
| 221.226.4.80/29 | 🇨🇳CN | assigned | |
| 221.226.4.24/29 | 🇨🇳CN | assigned | |
| 221.226.4.32/29 | 🇨🇳CN | assigned | |
| 221.226.4.72/29 | 🇨🇳CN | assigned | |
| 221.226.4.96/29 | 🇨🇳CN | assigned | |
| 221.226.4.120/29 | 🇨🇳CN | assigned | |
| 221.226.4.176/29 | 🇨🇳CN | assigned | |
| 221.226.4.248/29 | 🇨🇳CN | assigned | |
| 221.226.4.224/29 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/221.226.4.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.226.4.0/24" | jq
External Links