210.51.176.0/20
🇨🇳IPv4APNICassignedNo ROA
CIDR
210.51.176.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
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
10 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 |
| 210.51.190.0/23 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | Valid | — | 5/31/2026 |
| 210.51.180.0/23 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | Valid | — | 5/31/2026 |
| 210.51.176.0/24 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | Valid | — | 5/31/2026 |
| 210.51.183.0/24 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | Valid | — | 5/31/2026 |
| 210.51.185.0/24 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | Valid | — | 5/31/2026 |
| 210.51.186.0/24 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | Valid | — | 5/31/2026 |
| 210.51.187.0/24 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | Valid | — | 5/31/2026 |
| 210.51.189.0/24 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | Valid | — | 5/31/2026 |
| 210.51.179.0/24 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | Valid | — | 5/31/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 210.51.181.0/24 | 🇨🇳CN | assigned | |
| 210.51.182.0/24 | 🇨🇳CN | assigned | |
| 210.51.185.0/24 | AS4808 | 🇨🇳CN | assigned |
| 210.51.186.0/25 | 🇨🇳CN | assigned | |
| 210.51.189.0/25 | 🇨🇳CN | assigned | |
| 210.51.183.0/25 | 🇨🇳CN | assigned | |
| 210.51.178.0/25 | 🇨🇳CN | assigned | |
| 210.51.183.128/26 | 🇨🇳CN | assigned | |
| 210.51.186.128/26 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/210.51.176.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/210.51.176.0/20" | jq
External Links