121.10.140.0/22
🇨🇳CIDR
121.10.140.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇳 China
City
Guangzhou (Yuexiu Qu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.10.140.0/22 | AS58543CHINATELECOM-Guangdong-IDC - Guangdong | Valid | APNICRADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.8.0.0/13 | AS4134CHINANET-BACKBONE - No.31,Jin-rong Street | No ROA | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 121.10.140.0/22 | AS58543 | /22 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.10.143.0/24 | 🇨🇳CN | assigned | |
| 121.10.141.0/24 | 🇨🇳CN | assigned | |
| 121.10.140.0/24 | 🇨🇳CN | assigned | |
| 121.10.142.128/26 | 🇨🇳CN | assigned | |
| 121.10.142.0/26 | 🇨🇳CN | assigned | |
| 121.10.142.192/26 | 🇨🇳CN | assigned | |
| 121.10.142.64/26 | 🇨🇳CN | assigned | |
| 121.10.142.224/27 | 🇨🇳CN | assigned | |
| 121.10.142.208/28 | 🇨🇳CN | assigned | |
| 121.10.142.200/29 | 🇨🇳CN | assigned | |
| 121.10.142.196/30 | 🇨🇳CN | assigned | |
| 121.10.142.194/31 | 🇨🇳CN | assigned | |
| 121.10.142.193/32 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.10.140.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.10.140.0/22" | jq
External Links