121.8.128.0/20
🇨🇳IPv4APNICannouncedAS134773ChinaNet-Guangdong-Guangzhou-MAN - CHINANET Guangdong province Guangzhou MAN networkNo ROA
CIDR
121.8.128.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
City
Guangzhou
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.8.128.0/20 | AS134773ChinaNet-Guangdong-Guangzhou-MAN - CHINANET Guangdong province Guangzhou MAN network | No ROA | RADB | 5/31/2026 |
Covering Prefix
4 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 |
| 121.8.128.0/21 | AS134773ChinaNet-Guangdong-Guangzhou-MAN - CHINANET Guangdong province Guangzhou MAN network | No ROA | — | 5/31/2026 |
| 121.8.140.0/22 | AS134773ChinaNet-Guangdong-Guangzhou-MAN - CHINANET Guangdong province Guangzhou MAN network | No ROA | — | 5/31/2026 |
| 121.8.138.0/23 | AS134773ChinaNet-Guangdong-Guangzhou-MAN - CHINANET Guangdong province Guangzhou MAN network | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS134773 | RADB | MAINT-AS4813 | 3/16/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.8.138.0/24 | 🇨🇳CN | assigned | |
| 121.8.143.0/28 | 🇨🇳CN | assigned | |
| 121.8.143.96/28 | 🇨🇳CN | assigned | |
| 121.8.142.240/28 | 🇨🇳CN | assigned | |
| 121.8.142.128/28 | 🇨🇳CN | assigned | |
| 121.8.142.16/28 | 🇨🇳CN | assigned | |
| 121.8.143.136/29 | 🇨🇳CN | assigned | |
| 121.8.142.160/29 | 🇨🇳CN | assigned | |
| 121.8.142.168/29 | 🇨🇳CN | assigned | |
| 121.8.142.184/29 | 🇨🇳CN | assigned | |
| 121.8.142.56/29 | 🇨🇳CN | assigned | |
| 121.8.142.64/29 | 🇨🇳CN | assigned | |
| 121.8.142.112/29 | 🇨🇳CN | assigned | |
| 121.8.142.144/29 | 🇨🇳CN | assigned | |
| 121.8.143.96/29 | 🇨🇳CN | assigned | |
| 121.8.142.72/29 | 🇨🇳CN | assigned | |
| 121.8.142.80/29 | 🇨🇳CN | assigned | |
| 121.8.142.88/29 | 🇨🇳CN | assigned | |
| 121.8.142.96/29 | 🇨🇳CN | assigned | |
| 121.8.142.152/29 | 🇨🇳CN | assigned | |
| 121.8.142.176/29 | 🇨🇳CN | assigned | |
| 121.8.143.104/29 | 🇨🇳CN | assigned | |
| 121.8.142.48/29 | 🇨🇳CN | assigned | |
| 121.8.142.120/29 | 🇨🇳CN | assigned | |
| 121.8.142.8/29 | 🇨🇳CN | assigned | |
| 121.8.142.32/29 | 🇨🇳CN | assigned | |
| 121.8.142.40/29 | 🇨🇳CN | assigned | |
| 121.8.142.108/30 | 🇨🇳CN | assigned | |
| 121.8.142.4/30 | 🇨🇳CN | assigned | |
| 121.8.142.2/31 | 🇨🇳CN | assigned | |
| 121.8.142.106/31 | 🇨🇳CN | assigned | |
| 121.8.142.0/32 | 🇨🇳CN | assigned | |
| 121.8.142.1/32 | 🇨🇳CN | assigned | |
| 121.8.142.105/32 | 🇨🇳CN | assigned | |
| 121.8.142.104/32 | 🇨🇳CN | assigned |
Origin ASN
AS134773
ChinaNet-Guangdong-Guangzhou-MAN - CHINANET Guangdong province Guangzhou MAN network
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.8.128.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.8.128.0/20" | jq
External Links