203.63.0.0/16
🇦🇺CIDR
203.63.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇦🇺 Australia
City
Clarence Gardens
RIR
APNIC
Status
allocated
Allocated
7/12/1995
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.63.0.0/16 | AS2764AAPT - AAPT Limited | No ROA | RADB | 5/31/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.63.204.0/23 | AS17535GENISYST-AS-AP - Genisyst Pty Ltd | No ROA | — | 5/31/2026 |
| 203.63.38.0/24 | AS2764AAPT - AAPT Limited | No ROA | — | 5/31/2026 |
| 203.63.89.0/24 | AS2764AAPT - AAPT Limited | No ROA | — | 5/31/2026 |
| 203.63.204.0/24 | AS17535GENISYST-AS-AP - Genisyst Pty Ltd | No ROA | — | 5/31/2026 |
| 203.63.205.0/24 | AS17535GENISYST-AS-AP - Genisyst Pty Ltd | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS2764 | RADB | MAINT-AS2764 | 11/13/2023 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 203.63.240.0/21 | 🇦🇺AU | assigned | |
| 203.63.38.0/23 | 🇦🇺AU | assigned | |
| 203.63.194.0/23 | 🇦🇺AU | assigned | |
| 203.63.206.0/23 | 🇦🇺AU | assigned | |
| 203.63.200.0/23 | 🇦🇺AU | assigned | |
| 203.63.58.0/23 | 🇦🇺AU | assigned | |
| 203.63.48.0/23 | 🇦🇺AU | assigned | |
| 203.63.158.0/23 | 🇦🇺AU | assigned | |
| 203.63.0.0/23 | 🇦🇺AU | assigned | |
| 203.63.6.0/23 | 🇦🇺AU | assigned | |
| 203.63.204.0/23 | AS17535 | 🇦🇺AU | assigned |
| 203.63.168.0/23 | 🇦🇺AU | assigned | |
| 203.63.202.0/24 | 🇦🇺AU | assigned | |
| 203.63.92.0/24 | 🇦🇺AU | assigned | |
| 203.63.153.0/24 | 🇦🇺AU | assigned | |
| 203.63.197.0/24 | 🇦🇺AU | assigned | |
| 203.63.148.0/24 | 🇦🇺AU | assigned | |
| 203.63.8.0/24 | 🇦🇺AU | assigned | |
| 203.63.219.0/24 | 🇦🇺AU | assigned | |
| 203.63.78.0/24 | 🇦🇺AU | assigned | |
| 203.63.208.0/24 | 🇦🇺AU | assigned | |
| 203.63.232.0/24 | 🇦🇺AU | assigned | |
| 203.63.203.0/24 | 🇦🇺AU | assigned | |
| 203.63.102.0/24 | 🇦🇺AU | assigned | |
| 203.63.167.0/24 | 🇦🇺AU | assigned | |
| 203.63.162.0/24 | 🇦🇺AU | assigned | |
| 203.63.29.0/24 | 🇦🇺AU | assigned | |
| 203.63.209.0/24 | 🇦🇺AU | assigned | |
| 203.63.193.0/24 | 🇦🇺AU | assigned | |
| 203.63.93.0/24 | 🇦🇺AU | assigned | |
| 203.63.250.0/25 | AS2764 | 🇦🇺AU | assigned |
| 203.63.228.128/25 | 🇦🇺AU | assigned | |
| 203.63.164.0/25 | 🇦🇺AU | assigned | |
| 203.63.174.128/25 | 🇦🇺AU | assigned | |
| 203.63.111.0/25 | 🇦🇺AU | assigned | |
| 203.63.22.0/25 | 🇦🇺AU | assigned | |
| 203.63.214.128/25 | 🇦🇺AU | assigned | |
| 203.63.101.128/25 | 🇦🇺AU | assigned | |
| 203.63.249.128/25 | 🇦🇺AU | assigned | |
| 203.63.32.128/25 | 🇦🇺AU | assigned | |
| 203.63.5.128/25 | 🇦🇺AU | assigned | |
| 203.63.108.0/25 | 🇦🇺AU | assigned | |
| 203.63.61.128/25 | 🇦🇺AU | assigned | |
| 203.63.144.128/25 | 🇦🇺AU | assigned | |
| 203.63.61.0/25 | 🇦🇺AU | assigned | |
| 203.63.28.128/25 | 🇦🇺AU | assigned | |
| 203.63.133.0/25 | 🇦🇺AU | assigned | |
| 203.63.50.0/25 | 🇦🇺AU | assigned | |
| 203.63.210.128/25 | 🇦🇺AU | assigned | |
| 203.63.17.128/25 | 🇦🇺AU | assigned | |
| 203.63.109.128/25 | 🇦🇺AU | assigned | |
| 203.63.131.128/25 | 🇦🇺AU | assigned | |
| 203.63.17.0/26 | 🇦🇺AU | assigned | |
| 203.63.4.64/26 | 🇦🇺AU | assigned | |
| 203.63.222.128/26 | 🇦🇺AU | assigned | |
| 203.63.172.0/26 | 🇦🇺AU | assigned | |
| 203.63.210.64/26 | 🇦🇺AU | assigned | |
| 203.63.101.64/26 | 🇦🇺AU | assigned | |
| 203.63.31.128/26 | 🇦🇺AU | assigned | |
| 203.63.252.128/26 | AS7545 | 🇦🇺AU | assigned |
| 203.63.4.192/26 | 🇦🇺AU | assigned | |
| 203.63.234.192/26 | 🇦🇺AU | assigned | |
| 203.63.107.128/26 | 🇦🇺AU | assigned | |
| 203.63.5.64/26 | 🇦🇺AU | assigned | |
| 203.63.108.192/26 | 🇦🇺AU | assigned | |
| 203.63.144.64/26 | 🇦🇺AU | assigned | |
| 203.63.133.192/26 | 🇦🇺AU | assigned | |
| 203.63.134.192/26 | 🇦🇺AU | assigned | |
| 203.63.132.128/26 | 🇦🇺AU | assigned | |
| 203.63.249.64/26 | 🇦🇺AU | assigned | |
| 203.63.132.192/26 | 🇦🇺AU | assigned | |
| 203.63.109.64/26 | 🇦🇺AU | assigned | |
| 203.63.129.128/26 | 🇦🇺AU | assigned | |
| 203.63.62.128/26 | 🇦🇺AU | assigned | |
| 203.63.213.64/26 | 🇦🇺AU | assigned | |
| 203.63.223.64/26 | 🇦🇺AU | assigned | |
| 203.63.54.64/26 | AS2764 | 🇦🇺AU | assigned |
| 203.63.33.64/26 | 🇦🇺AU | assigned | |
| 203.63.54.128/26 | 🇦🇺AU | assigned | |
| 203.63.4.0/26 | 🇦🇺AU | assigned | |
| 203.63.19.128/27 | 🇦🇺AU | assigned | |
| 203.63.234.0/27 | 🇦🇺AU | assigned | |
| 203.63.231.64/27 | 🇦🇺AU | assigned | |
| 203.63.174.32/27 | 🇦🇺AU | assigned | |
| 203.63.231.224/27 | 🇦🇺AU | assigned | |
| 203.63.248.128/27 | 🇦🇺AU | assigned | |
| 203.63.157.128/27 | 🇦🇺AU | assigned | |
| 203.63.28.64/27 | 🇦🇺AU | assigned | |
| 203.63.157.160/27 | 🇦🇺AU | assigned | |
| 203.63.129.192/27 | 🇦🇺AU | assigned | |
| 203.63.254.192/27 | 🇦🇺AU | assigned | |
| 203.63.253.128/27 | 🇦🇺AU | assigned | |
| 203.63.131.0/27 | 🇦🇺AU | assigned | |
| 203.63.134.160/27 | 🇦🇺AU | assigned | |
| 203.63.95.64/27 | 🇦🇺AU | assigned | |
| 203.63.40.0/27 | 🇦🇺AU | assigned | |
| 203.63.40.64/27 | 🇦🇺AU | assigned | |
| 203.63.173.0/27 | 🇦🇺AU | assigned | |
| 203.63.19.192/27 | 🇦🇺AU | assigned | |
| 203.63.157.224/27 | 🇦🇺AU | assigned |
Origin ASN
AS2764
AAPT - AAPT Limited
Geolocation
Country🇦🇺AustraliaAU
RegionSouth Australia
CityClarence Gardens
Coordinates-34.9717, 138.5780 ↗
API
Open https://api.ipctl.io/v1/prefix/203.63.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.63.0.0/16" | jq
External Links