221.4.42.0/24
🇨🇳CIDR
221.4.42.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇨🇳 China
City
Guangzhou
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.4.42.0/24 | AS17622CNCGROUP-GZ - China Unicom Guangzhou network | No ROA | — | 6/1/2026 |
Covering Prefix
4 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 | — | 6/1/2026 |
| 221.4.32.0/19 | AS17622CNCGROUP-GZ - China Unicom Guangzhou network | No ROA | — | 6/1/2026 |
| 221.4.32.0/20 | AS17622CNCGROUP-GZ - China Unicom Guangzhou network | No ROA | — | 6/1/2026 |
| 221.4.40.0/22 | AS17622CNCGROUP-GZ - China Unicom Guangzhou network | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/221.4.42.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.4.42.0/24" | jq
External Links