221.4.40.0/22
🇨🇳CIDR
221.4.40.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇳 China
City
Guangzhou
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.4.40.0/22 | AS17622CNCGROUP-GZ - China Unicom Guangzhou network | No ROA | — | 6/2/2026 |
Covering Prefix
6 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.4.0.0/16 | AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong province | No ROA | — | 6/2/2026 |
| 221.4.32.0/19 | AS17622CNCGROUP-GZ - China Unicom Guangzhou network | No ROA | — | 6/2/2026 |
| 221.4.32.0/20 | AS17622CNCGROUP-GZ - China Unicom Guangzhou network | No ROA | — | 6/2/2026 |
| 221.4.40.0/24 | AS17622CNCGROUP-GZ - China Unicom Guangzhou network | No ROA | — | 6/2/2026 |
| 221.4.41.0/24 | AS17622CNCGROUP-GZ - China Unicom Guangzhou network | No ROA | — | 6/2/2026 |
| 221.4.42.0/24 | AS17622CNCGROUP-GZ - China Unicom Guangzhou network | No ROA | — | 6/2/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 221.4.43.32/28 | 🇨🇳CN | assigned | |
| 221.4.43.112/28 | 🇨🇳CN | assigned | |
| 221.4.43.176/28 | 🇨🇳CN | assigned | |
| 221.4.43.96/28 | 🇨🇳CN | assigned | |
| 221.4.43.144/28 | 🇨🇳CN | assigned | |
| 221.4.43.208/28 | 🇨🇳CN | assigned | |
| 221.4.43.16/28 | 🇨🇳CN | assigned | |
| 221.4.43.0/28 | 🇨🇳CN | assigned | |
| 221.4.40.64/29 | 🇨🇳CN | assigned | |
| 221.4.40.16/29 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/221.4.40.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.4.40.0/22" | jq
External Links