121.9.255.0/24
🇨🇳IPv4APNICannouncedAS136200ChinaNet-Guangdong-Foshan-MAN - CHINANET Guangdong province Foshan MAN networkNo ROA
CIDR
121.9.255.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.9.255.0/24 | AS136200ChinaNet-Guangdong-Foshan-MAN - CHINANET Guangdong province Foshan MAN network | No ROA | — | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.8.0.0/13 | AS4134CHINANET-BACKBONE - No.31,Jin-rong Street | No ROA | — | 5/31/2026 |
| 121.9.248.0/21 | AS136200ChinaNet-Guangdong-Foshan-MAN - CHINANET Guangdong province Foshan MAN network | No ROA | — | 5/31/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.9.255.96/27 | 🇨🇳CN | assigned | |
| 121.9.255.224/28 | 🇨🇳CN | assigned | |
| 121.9.255.32/28 | 🇨🇳CN | assigned | |
| 121.9.255.184/29 | 🇨🇳CN | assigned | |
| 121.9.255.0/29 | 🇨🇳CN | assigned | |
| 121.9.255.72/29 | 🇨🇳CN | assigned | |
| 121.9.255.168/29 | 🇨🇳CN | assigned | |
| 121.9.255.144/29 | 🇨🇳CN | assigned | |
| 121.9.255.56/29 | 🇨🇳CN | assigned | |
| 121.9.255.160/29 | 🇨🇳CN | assigned | |
| 121.9.255.192/29 | 🇨🇳CN | assigned | |
| 121.9.255.208/29 | 🇨🇳CN | assigned | |
| 121.9.255.16/30 | 🇨🇳CN | assigned | |
| 121.9.255.220/30 | 🇨🇳CN | assigned | |
| 121.9.255.180/30 | 🇨🇳CN | assigned | |
| 121.9.255.128/30 | 🇨🇳CN | assigned | |
| 121.9.255.92/30 | 🇨🇳CN | assigned | |
| 121.9.255.176/30 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.9.255.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.9.255.0/24" | jq
External Links