103.4.57.0/24
🇨🇳CIDR
103.4.57.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇨🇳 China
City
Haidian (Haidian Qu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.4.57.0/24 | AS56003JDJT - Beijing Century Union Network Technology Co.,LTD. | No ROA | — | 5/30/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/103.4.57.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.4.57.0/24" | jq
External Links