210.51.24.0/21
🇨🇳IPv4APNICassignedNo ROA
CIDR
210.51.24.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Beizang
RIR
APNIC
Status
assigned
Allocated
-
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
7 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 210.51.0.0/16 | AS9929CUII - CHINA UNICOM Industrial Internet Backbone | No ROA | — | 5/31/2026 |
| 210.51.30.0/23 | AS9929CUII - CHINA UNICOM Industrial Internet Backbone | No ROA | — | 5/31/2026 |
| 210.51.29.0/24 | AS9929CUII - CHINA UNICOM Industrial Internet Backbone | No ROA | — | 5/31/2026 |
| 210.51.29.0/24 | AS138421CU-CN-AS - China Unicom | No ROA | — | 5/31/2026 |
| 210.51.27.0/24 | AS138421CU-CN-AS - China Unicom | No ROA | — | 5/31/2026 |
| 210.51.25.0/24 | AS138421CU-CN-AS - China Unicom | No ROA | — | 5/31/2026 |
| 210.51.26.0/24 | AS138421CU-CN-AS - China Unicom | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS17621 | RADB | MAINT-AS58453 | 11/13/2023 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 210.51.26.128/27 | 🇨🇳CN | assigned | |
| 210.51.29.96/27 | 🇨🇳CN | assigned | |
| 210.51.29.128/27 | 🇨🇳CN | assigned | |
| 210.51.29.224/27 | 🇨🇳CN | assigned | |
| 210.51.30.0/27 | 🇨🇳CN | assigned | |
| 210.51.30.32/27 | 🇨🇳CN | assigned | |
| 210.51.30.128/27 | 🇨🇳CN | assigned | |
| 210.51.30.192/27 | 🇨🇳CN | assigned | |
| 210.51.30.96/27 | 🇨🇳CN | assigned | |
| 210.51.28.160/27 | 🇨🇳CN | assigned | |
| 210.51.29.0/27 | 🇨🇳CN | assigned | |
| 210.51.26.160/27 | 🇨🇳CN | assigned | |
| 210.51.29.160/27 | 🇨🇳CN | assigned | |
| 210.51.26.96/27 | 🇨🇳CN | assigned | |
| 210.51.26.192/27 | 🇨🇳CN | assigned | |
| 210.51.30.64/27 | 🇨🇳CN | assigned | |
| 210.51.26.64/27 | 🇨🇳CN | assigned | |
| 210.51.28.96/27 | 🇨🇳CN | assigned | |
| 210.51.28.192/27 | 🇨🇳CN | assigned | |
| 210.51.29.32/27 | 🇨🇳CN | assigned | |
| 210.51.30.160/27 | 🇨🇳CN | assigned | |
| 210.51.30.224/27 | 🇨🇳CN | assigned | |
| 210.51.29.192/27 | 🇨🇳CN | assigned | |
| 210.51.26.0/27 | 🇨🇳CN | assigned | |
| 210.51.26.224/27 | 🇨🇳CN | assigned | |
| 210.51.28.32/27 | 🇨🇳CN | assigned | |
| 210.51.28.64/27 | 🇨🇳CN | assigned | |
| 210.51.28.224/27 | 🇨🇳CN | assigned | |
| 210.51.28.0/28 | 🇨🇳CN | assigned | |
| 210.51.28.144/28 | 🇨🇳CN | assigned | |
| 210.51.29.64/28 | 🇨🇳CN | assigned | |
| 210.51.26.32/28 | 🇨🇳CN | assigned | |
| 210.51.26.48/28 | 🇨🇳CN | assigned | |
| 210.51.28.128/28 | 🇨🇳CN | assigned | |
| 210.51.29.80/28 | 🇨🇳CN | assigned | |
| 210.51.28.16/28 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/210.51.24.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/210.51.24.0/21" | jq
External Links