211.147.20.0/22
🇨🇳CIDR
211.147.20.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇳 China
City
Xiabancheng (South Building)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 211.147.20.0/22 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | Valid | — | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 211.147.0.0/19 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | No ROA | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 211.147.20.0/22 | AS4808 | /22 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 211.147.20.0/24 | 🇨🇳CN | assigned | |
| 211.147.22.128/25 | 🇨🇳CN | assigned | |
| 211.147.21.128/26 | 🇨🇳CN | assigned | |
| 211.147.22.0/26 | 🇨🇳CN | assigned | |
| 211.147.21.64/26 | 🇨🇳CN | assigned | |
| 211.147.21.192/27 | 🇨🇳CN | assigned | |
| 211.147.22.64/27 | 🇨🇳CN | assigned | |
| 211.147.21.32/27 | 🇨🇳CN | assigned | |
| 211.147.21.0/27 | 🇨🇳CN | assigned | |
| 211.147.22.96/27 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/211.147.20.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/211.147.20.0/22" | jq
External Links