221.4.48.0/20
🇨🇳CIDR
221.4.48.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
City
Guangzhou
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.4.48.0/20 | AS17622CNCGROUP-GZ - China Unicom Guangzhou network | No ROA | RADB | 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 |
| 221.4.54.0/24 | 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 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS17622 | RADB | MAINT-AS58453 | 11/13/2023 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 221.4.56.0/21 | 🇨🇳CN | assigned | |
| 221.4.54.0/24 | AS17622 | 🇨🇳CN | assigned |
| 221.4.53.0/24 | 🇨🇳CN | assigned | |
| 221.4.50.128/25 | 🇨🇳CN | assigned | |
| 221.4.51.128/26 | 🇨🇳CN | assigned | |
| 221.4.48.64/26 | 🇨🇳CN | assigned | |
| 221.4.50.0/26 | 🇨🇳CN | assigned | |
| 221.4.50.64/26 | 🇨🇳CN | assigned | |
| 221.4.48.224/27 | 🇨🇳CN | assigned | |
| 221.4.52.32/27 | 🇨🇳CN | assigned | |
| 221.4.48.32/27 | 🇨🇳CN | assigned | |
| 221.4.52.16/28 | 🇨🇳CN | assigned | |
| 221.4.52.8/29 | 🇨🇳CN | assigned | |
| 221.4.52.0/29 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/221.4.48.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.4.48.0/20" | jq
External Links