121.37.0.0/16
🇨🇳IPv4APNICallocated RPKI Valid
CIDR
121.37.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇨🇳 China
City
Guangzhou
RIR
APNIC
Status
allocated
Allocated
7/26/2006
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.37.64.0/18 | AS55990HWCSNET - Huawei Cloud Service data center | Valid | — | 6/13/2026 |
| 121.37.192.0/18 | AS55990HWCSNET - Huawei Cloud Service data center | Valid | — | 6/13/2026 |
| 121.37.0.0/19 | AS55990HWCSNET - Huawei Cloud Service data center | Valid | — | 6/13/2026 |
| 121.37.128.0/19 | AS55990HWCSNET - Huawei Cloud Service data center | Valid | — | 6/13/2026 |
| 121.37.160.0/19 | AS55990HWCSNET - Huawei Cloud Service data center | Valid | — | 6/13/2026 |
| 121.37.32.0/20 | AS55990HWCSNET - Huawei Cloud Service data center | Valid | — | 6/13/2026 |
| 121.37.48.0/21 | AS55990HWCSNET - Huawei Cloud Service data center | Valid | — | 6/13/2026 |
| 121.37.56.0/21 | AS55990HWCSNET - Huawei Cloud Service data center | No ROA | — | 6/13/2026 |
| 121.37.62.0/24 | AS55990HWCSNET - Huawei Cloud Service data center | Valid | — | 6/13/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS55990 | RADB | MAINT-AS55990 | 11/13/2023 |
Geolocation
Country🇨🇳ChinaCN
CityGuangzhou
API
Open https://api.ipctl.io/v1/prefix/121.37.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.37.0.0/16" | jq
External Links