123.56.0.0/15
🇨🇳CIDR
123.56.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
allocated
Allocated
1/16/2007
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.56.0.0/15 | AS37963ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | APNIC | 6/13/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.56.0.0/16 | AS37963ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | — | 6/13/2026 |
| 123.57.0.0/16 | AS37963ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | — | 6/13/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/123.56.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/123.56.0.0/15" | jq
External Links