203.57.78.0/23
🇦🇺CIDR
203.57.78.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇦🇺 Australia
RIR
APNIC
Status
assigned
Allocated
2/3/1997
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.57.78.0/23 | AS10083CYNERGIC-AS-AP - Cynergic Internet | No ROA | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.57.78.0/24 | AS10083CYNERGIC-AS-AP - Cynergic Internet | Valid | — | 5/31/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 203.57.78.0/24 | AS10083 | 🇦🇺AU | assigned |
| 203.57.79.0/24 | 🇦🇺AU | assigned |
Geolocation
Country🇦🇺AustraliaAU
Coordinates-25.2744, 133.7751 ↗
API
Open https://api.ipctl.io/v1/prefix/203.57.78.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.57.78.0/23" | jq
External Links