203.0.0.0/16
46 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 203.0.2.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.8.0/24 | Cyprus (100%) | 1 | 1 | 1 |
| 203.0.9.0/24 | Estonia (100%) | 1 | 1 | 1 |
| 203.0.12.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.19.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.27.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.31.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.40.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.73.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.80.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.88.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.89.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.100.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.104.0/24 | China (100%) | 1 | 1 | 1 |
| 203.0.106.0/24 | China (100%) | 1 | 1 | 1 |
| 203.0.108.0/24 | China (100%) | 1 | 1 | 1 |
| 203.0.111.0/24 | China (100%) | 1 | 1 | 1 |
| 203.0.116.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.120.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.124.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.139.0/24 | Hong Kong (100%) | 1 | 1 | 1 |
| 203.0.141.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.149.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.155.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.156.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.168.0/24 | United States (100%) | 1 | 1 | 1 |
| 203.0.170.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.172.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.178.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.184.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.193.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.196.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.200.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.205.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.207.0/24 | United States (100%) | 1 | 1 | 1 |
| 203.0.209.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.214.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.220.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.228.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.232.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.234.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.239.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.241.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.243.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.248.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.0.250.0/24 | Australia (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
203.0.2.0 – 203.0.3.255 | AS45226 | Santos Limited | AU |
203.0.8.0 – 203.0.8.255 | AS206150 | F.N.S. HOLDINGS LIMITED | CY |
203.0.9.0 – 203.0.9.255 | AS206804 | Realcloud OU | EE |
203.0.12.0 – 203.0.13.255 | AS151499 | APANA | AU |
203.0.19.0 – 203.0.19.255 | AS7575 | Australian Academic and Research Network | AU |
203.0.27.0 – 203.0.27.255 | AS135668 | Patrick Stevedores Operations Pty Ltd | AU |
203.0.31.0 – 203.0.31.255 | AS2764 | AAPT Limited | AU |
203.0.40.0 – 203.0.40.255 | AS10148 | University of Melbourne | AU |
203.0.73.0 – 203.0.73.255 | AS137938 | QBE Insurance Group Ltd | AU |
203.0.80.0 – 203.0.80.255 | AS9449 | QLD VoIP Services | AU |
203.0.88.0 – 203.0.88.255 | AS6262 | Commonwealth Scientific and Industrial Research Organisation | AU |
203.0.89.0 – 203.0.89.255 | AS7575 | Australian Academic and Research Network | AU |
203.0.100.0 – 203.0.100.255 | AS6262 | Commonwealth Scientific and Industrial Research Organisation | AU |
203.0.104.0 – 203.0.105.255 | AS23724 | IDC China Telecommunications Corporation | CN |
203.0.106.0 – 203.0.107.255 | AS134756 | China Telecom | CN |
31 more ranges in this block.