203.13.0.0/16
40 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 203.13.0.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.11.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.16.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.20.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 203.13.22.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.23.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.32.0/24 | United States (100%) | 1 | 1 | 1 |
| 203.13.33.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.35.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.37.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.40.0/24 | United States (100%) | 1 | 1 | 1 |
| 203.13.41.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.43.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.66.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.68.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.69.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 203.13.70.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.71.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.74.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.75.0/24 | United States (100%) | 1 | 1 | 1 |
| 203.13.76.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.81.0/24 | China (100%) | 1 | 1 | 1 |
| 203.13.96.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.98.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.125.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.145.0/24 | Hong Kong (100%) | 1 | 1 | 1 |
| 203.13.156.0/24 | United States (100%) | 1 | 1 | 1 |
| 203.13.161.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.162.0/24 | Bangladesh (100%) | 1 | 1 | 1 |
| 203.13.164.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.168.0/24 | India (100%) | 1 | 1 | 1 |
| 203.13.171.0/24 | India (100%) | 1 | 1 | 1 |
| 203.13.192.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.203.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.208.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.217.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.231.0/24 | New Zealand (100%) | 1 | 1 | 1 |
| 203.13.236.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.240.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.13.249.0/24 | Australia (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
203.13.0.0 – 203.13.10.255 | AS18055 | Department of Human Services | AU |
203.13.11.0 – 203.13.15.255 | AS18055 | Department of Human Services | AU |
203.13.16.0 – 203.13.16.255 | AS2764 | AAPT Limited | AU |
203.13.20.0 – 203.13.20.255 | AS214143 | SKYDIGITAL TELECOM LTD | GB |
203.13.22.0 – 203.13.22.255 | AS45158 | TASMANET | AU |
203.13.23.0 – 203.13.23.255 | AS45240 | Realestate.com.au Limited | AU |
203.13.32.0 – 203.13.32.255 | AS209242 | Cloudflare London LLC | US |
203.13.33.0 – 203.13.33.255 | AS9438 | SingTel Optus Pty Ltd | AU |
203.13.35.0 – 203.13.35.255 | AS137199 | Telair Pty Ltd | AU |
203.13.37.0 – 203.13.37.255 | AS4739 | iiNet Limited | AU |
203.13.40.0 – 203.13.40.255 | AS394695 | PDR | US |
203.13.41.0 – 203.13.41.255 | AS64090 | Wesley College | AU |
203.13.43.0 – 203.13.43.255 | AS18055 | Department of Human Services | AU |
203.13.66.0 – 203.13.67.255 | AS153642 | NSW Parliament | AU |
203.13.68.0 – 203.13.68.255 | AS9313 | Network Technology (Aust) Pty Ltd | AU |
25 more ranges in this block.