121.11.64.0/21
🇨🇳CIDR
121.11.64.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Guangzhou (Yuexiu Qu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.11.64.0/21 | AS58543CHINATELECOM-Guangdong-IDC - Guangdong | 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 |
|---|---|---|---|
| 121.11.64.0/21 | AS58543 | /21 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.11.69.0/24 | 🇨🇳CN | assigned | |
| 121.11.66.0/24 | 🇨🇳CN | assigned | |
| 121.11.67.0/24 | 🇨🇳CN | assigned | |
| 121.11.71.0/25 | 🇨🇳CN | assigned | |
| 121.11.64.128/25 | 🇨🇳CN | assigned | |
| 121.11.68.128/25 | 🇨🇳CN | assigned | |
| 121.11.70.128/25 | 🇨🇳CN | assigned | |
| 121.11.65.192/26 | 🇨🇳CN | assigned | |
| 121.11.71.128/26 | 🇨🇳CN | assigned | |
| 121.11.65.64/26 | 🇨🇳CN | assigned | |
| 121.11.64.64/26 | 🇨🇳CN | assigned | |
| 121.11.64.0/27 | 🇨🇳CN | assigned | |
| 121.11.65.160/27 | 🇨🇳CN | assigned | |
| 121.11.64.32/27 | 🇨🇳CN | assigned | |
| 121.11.65.128/27 | 🇨🇳CN | assigned | |
| 121.11.68.64/27 | 🇨🇳CN | assigned | |
| 121.11.71.192/27 | 🇨🇳CN | assigned | |
| 121.11.71.224/27 | 🇨🇳CN | assigned | |
| 121.11.67.255/32 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.11.64.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.11.64.0/21" | jq
External Links