211.147.18.0/23
🇨🇳CIDR
211.147.18.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
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 |
|---|---|---|---|---|
| 211.147.18.0/23 | 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 |
|---|---|---|---|
| 211.147.18.0/23 | AS4808 | /23 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 211.147.19.0/24 | 🇨🇳CN | assigned | |
| 211.147.18.0/24 | 🇨🇳CN | assigned | |
| 211.147.18.128/25 | 🇨🇳CN | assigned | |
| 211.147.19.96/28 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/211.147.18.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/211.147.18.0/23" | jq
External Links