203.3.112.0/21
🇨🇳CIDR
203.3.112.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Guangzhou
RIR
APNIC
Status
allocated
Allocated
4/12/2011
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.3.112.0/21 | AS63835CT-HuNan-Changsha-IDC - No.293,Wanbao Avenue | No ROA | RADB | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.3.112.0/22 | AS63835CT-HuNan-Changsha-IDC - No.293,Wanbao Avenue | No ROA | — | 5/31/2026 |
| 203.3.116.0/22 | AS63835CT-HuNan-Changsha-IDC - No.293,Wanbao Avenue | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS63835 | RADB | MAINT-CT-GNOC | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.3.112.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.3.112.0/21" | jq
External Links