123.172.0.0/15
🇨🇳CIDR
123.172.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇨🇳 China
City
Jilin
RIR
APNIC
Status
allocated
Allocated
2/28/2007
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.172.0.0/15 | AS4134CHINANET-BACKBONE - No.31,Jin-rong Street | No ROA | RADB | 6/13/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.172.0.0/19 | AS4809CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier Network | Valid | — | 6/13/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4134 | RADB | MAINT-CT-GNOC | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/123.172.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/123.172.0.0/15" | jq
External Links