121.10.172.0/23
🇨🇳CIDR
121.10.172.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
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 |
|---|---|---|---|---|
| 121.10.172.0/23 | 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 |
|---|---|---|---|
| 121.10.172.0/23 | AS58543 | /23 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.10.173.0/24 | 🇨🇳CN | assigned | |
| 121.10.172.0/25 | 🇨🇳CN | assigned | |
| 121.10.172.128/25 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.10.172.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.10.172.0/23" | jq
External Links