123.58.0.0/19
🇨🇳CIDR
123.58.0.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇨🇳 China
City
Beijing
RIR
RIPE
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.58.0.0/19 | AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation | No ROA | RADB | 5/31/2026 |
Covering Prefix
10 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.58.16.0/20 | AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation | No ROA | — | 5/31/2026 |
| 123.58.0.0/20 | AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation | Invalid | — | 5/31/2026 |
| 123.58.0.0/20 | AS133119UNICOM-CN - China Unicom IP network | Valid | — | 5/31/2026 |
| 123.58.8.0/21 | AS24138CTTNET - China TieTong Telecommunications Corporation | Invalid | — | 5/31/2026 |
| 123.58.0.0/21 | AS24138CTTNET - China TieTong Telecommunications Corporation | Invalid | — | 5/31/2026 |
| 123.58.4.0/22 | AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | Invalid | — | 5/31/2026 |
| 123.58.0.0/22 | AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | Invalid | — | 5/31/2026 |
| 123.58.8.0/22 | AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | Invalid | — | 5/31/2026 |
| 123.58.12.0/22 | AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | Invalid | — | 5/31/2026 |
| 123.58.18.0/24 | AS131495Nine-cloud - Beijing nine cloud infinite network technology co., LTD | No ROA | — | 5/31/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 123.58.0.0/20 | AS133119 | 🇨🇳CN | allocated |
| 123.58.16.0/20 | AS23724 | 🇨🇳CN | allocated |
| 123.58.16.0/21 | 🇨🇳CN | assigned | |
| 123.58.0.0/21 | AS24138 | 🇨🇳CN | assigned |
| 123.58.24.0/21 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/123.58.0.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/123.58.0.0/19" | jq
External Links