103.237.240.0/21
🇨🇳CIDR
103.237.240.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Zhengzhou (Jinshui Qu)
RIR
RIPE
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.237.240.0/21 | AS59016HACN - China Broadcast Henan Network Co., Ltd | Valid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 103.237.240.0/21 | AS59016 | /24 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 103.237.244.0/22 | 🇨🇳CN | allocated | |
| 103.237.240.0/22 | 🇨🇳CN | allocated |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/103.237.240.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.237.240.0/21" | jq
External Links