123.58.16.0/20
🇨🇳CIDR
123.58.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
RIR
APNIC
Status
allocated
Allocated
1/16/2007
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.58.16.0/20 | AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation | No ROA | RADB | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.58.0.0/19 | AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation | No ROA | — | 5/31/2026 |
| 123.58.18.0/24 | AS131495Nine-cloud - Beijing nine cloud infinite network technology co., LTD | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS23724 | RADB | MAINT-AS23724 | 4/22/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 123.58.16.0/21 | 🇨🇳CN | assigned | |
| 123.58.24.0/21 | 🇨🇳CN | assigned |
Geolocation
Country🇨🇳ChinaCN
Coordinates35.8617, 104.1954 ↗
API
Open https://api.ipctl.io/v1/prefix/123.58.16.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/123.58.16.0/20" | jq
External Links