221.192.166.0/23
🇨🇳CIDR
221.192.166.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇨🇳 China
City
Chengde
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.192.166.0/23 | AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | APNICRADB | 6/14/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.192.0.0/15 | AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | — | 6/14/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/221.192.166.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.192.166.0/23" | jq
External Links