221.4.56.0/21
🇨🇳IPv4APNICassignedNo ROA
CIDR
221.4.56.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Guangzhou (Huangpu District)
RIR
APNIC
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
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 |
| 221.4.48.0/20 | AS17622CNCGROUP-GZ - China Unicom Guangzhou network | No ROA | — | 6/1/2026 |
| 221.4.61.0/24 | AS17622CNCGROUP-GZ - China Unicom Guangzhou network | No ROA | — | 6/1/2026 |
Geolocation
Country🇨🇳ChinaCN
RegionGuangdong
CityGuangzhou (Huangpu District)
Coordinates23.0863, 113.4940 ↗
API
Open https://api.ipctl.io/v1/prefix/221.4.56.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.4.56.0/21" | jq
External Links