1.203.0.0/16
🇨🇳CIDR
1.203.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 1.203.0.0/16 | AS4847CNIX-AP - China Networks Inter-Exchange | No ROA | RADB | 5/31/2026 |
Covering Prefix
10 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 1.203.124.0/22 | AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation | No ROA | — | 5/31/2026 |
| 1.203.112.0/23 | AS4809CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier Network | No ROA | — | 5/31/2026 |
| 1.203.113.0/24 | AS4809CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier Network | No ROA | — | 5/31/2026 |
| 1.203.112.0/24 | AS4809CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier Network | No ROA | — | 5/31/2026 |
| 1.203.90.0/24 | AS4847CNIX-AP - China Networks Inter-Exchange | No ROA | — | 5/31/2026 |
| 1.203.105.0/24 | AS4847CNIX-AP - China Networks Inter-Exchange | No ROA | — | 5/31/2026 |
| 1.203.91.0/24 | AS4847CNIX-AP - China Networks Inter-Exchange | No ROA | — | 5/31/2026 |
| 1.203.94.0/24 | AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation | Valid | — | 5/31/2026 |
| 1.203.115.0/24 | AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation | Valid | — | 5/31/2026 |
| 1.203.95.0/24 | AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation | Valid | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4847 | RADB | MAINT-AS4847 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/1.203.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/1.203.0.0/16" | jq
External Links