123.138.0.0/20
🇨🇳IPv4APNICassigned RPKI Valid
CIDR
123.138.0.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
City
Xi'an (Yanta Qu)
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
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.138.0.0/15 | AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | — | 6/13/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 123.138.0.0/15 | AS4837 | /15 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 123.138.0.48/28 | 🇨🇳CN | assigned | |
| 123.138.0.24/30 | 🇨🇳CN | assigned | |
| 123.138.0.240/30 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/123.138.0.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/123.138.0.0/20" | jq
External Links