121.9.236.0/23
🇨🇳IPv4APNICannouncedAS136200ChinaNet-Guangdong-Foshan-MAN - CHINANET Guangdong province Foshan MAN networkNo ROA
CIDR
121.9.236.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇨🇳 China
City
Guangzhou
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.9.236.0/23 | AS136200ChinaNet-Guangdong-Foshan-MAN - CHINANET Guangdong province Foshan MAN network | No ROA | RADB | 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 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS136200 | RADB | MAINT-AS4813 | 3/16/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.9.237.48/29 | 🇨🇳CN | assigned | |
| 121.9.237.176/29 | 🇨🇳CN | assigned | |
| 121.9.237.248/29 | 🇨🇳CN | assigned | |
| 121.9.237.240/29 | 🇨🇳CN | assigned | |
| 121.9.237.104/29 | 🇨🇳CN | assigned | |
| 121.9.237.132/30 | 🇨🇳CN | assigned | |
| 121.9.237.152/30 | 🇨🇳CN | assigned | |
| 121.9.237.156/30 | 🇨🇳CN | assigned | |
| 121.9.237.160/30 | 🇨🇳CN | assigned | |
| 121.9.237.220/30 | 🇨🇳CN | assigned | |
| 121.9.237.212/30 | 🇨🇳CN | assigned | |
| 121.9.237.188/30 | 🇨🇳CN | assigned | |
| 121.9.237.24/30 | 🇨🇳CN | assigned | |
| 121.9.237.228/30 | 🇨🇳CN | assigned | |
| 121.9.236.96/30 | 🇨🇳CN | assigned | |
| 121.9.237.16/30 | 🇨🇳CN | assigned | |
| 121.9.237.80/30 | 🇨🇳CN | assigned | |
| 121.9.237.84/30 | 🇨🇳CN | assigned | |
| 121.9.237.112/30 | 🇨🇳CN | assigned | |
| 121.9.237.116/30 | 🇨🇳CN | assigned | |
| 121.9.237.136/30 | 🇨🇳CN | assigned | |
| 121.9.237.140/30 | 🇨🇳CN | assigned | |
| 121.9.237.144/30 | 🇨🇳CN | assigned | |
| 121.9.237.148/30 | 🇨🇳CN | assigned | |
| 121.9.237.184/30 | 🇨🇳CN | assigned | |
| 121.9.237.192/30 | 🇨🇳CN | assigned | |
| 121.9.237.196/30 | 🇨🇳CN | assigned | |
| 121.9.237.200/30 | 🇨🇳CN | assigned | |
| 121.9.237.204/30 | 🇨🇳CN | assigned | |
| 121.9.237.208/30 | 🇨🇳CN | assigned | |
| 121.9.237.216/30 | 🇨🇳CN | assigned | |
| 121.9.237.224/30 | 🇨🇳CN | assigned | |
| 121.9.237.88/30 | 🇨🇳CN | assigned | |
| 121.9.237.12/30 | 🇨🇳CN | assigned | |
| 121.9.237.164/30 | 🇨🇳CN | assigned | |
| 121.9.237.28/30 | 🇨🇳CN | assigned | |
| 121.9.237.40/30 | 🇨🇳CN | assigned | |
| 121.9.237.44/30 | 🇨🇳CN | assigned | |
| 121.9.237.96/30 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.9.236.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.9.236.0/23" | jq
External Links