121.12.112.0/20
🇨🇳CIDR
121.12.112.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
City
Chang’an
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.12.112.0/20 | AS134763CT-DongGuan-IDC - CHINANET Guangdong province network | 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 |
|---|---|---|---|
| 121.12.112.0/20 | AS134763 | /20 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.12.119.0/24 | 🇨🇳CN | assigned | |
| 121.12.127.0/24 | 🇨🇳CN | assigned | |
| 121.12.126.0/24 | 🇨🇳CN | assigned | |
| 121.12.114.0/24 | 🇨🇳CN | assigned | |
| 121.12.112.0/24 | 🇨🇳CN | assigned | |
| 121.12.122.0/24 | 🇨🇳CN | assigned | |
| 121.12.120.0/24 | 🇨🇳CN | assigned | |
| 121.12.115.0/24 | 🇨🇳CN | assigned | |
| 121.12.117.0/24 | 🇨🇳CN | assigned | |
| 121.12.124.0/24 | 🇨🇳CN | assigned | |
| 121.12.118.0/24 | 🇨🇳CN | assigned | |
| 121.12.113.0/24 | 🇨🇳CN | assigned | |
| 121.12.125.0/24 | 🇨🇳CN | assigned | |
| 121.12.121.0/25 | 🇨🇳CN | assigned | |
| 121.12.122.128/25 | 🇨🇳CN | assigned | |
| 121.12.123.0/25 | 🇨🇳CN | assigned | |
| 121.12.116.128/25 | 🇨🇳CN | assigned | |
| 121.12.123.128/25 | 🇨🇳CN | assigned | |
| 121.12.116.0/25 | 🇨🇳CN | assigned | |
| 121.12.122.64/26 | 🇨🇳CN | assigned | |
| 121.12.121.192/26 | 🇨🇳CN | assigned | |
| 121.12.122.0/26 | 🇨🇳CN | assigned | |
| 121.12.121.128/27 | 🇨🇳CN | assigned | |
| 121.12.121.160/27 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.12.112.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.12.112.0/20" | jq
External Links