203.4.0.0/16
28 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 203.4.130.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.136.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.145.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.147.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.149.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.160.0/24 | Thailand (100%) | 1 | 1 | 1 |
| 203.4.162.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.164.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.168.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.169.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.170.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.172.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.182.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.185.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.187.0/24 | Bangladesh (100%) | 1 | 1 | 1 |
| 203.4.188.0/24 | United States (100%) | 1 | 1 | 1 |
| 203.4.192.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.194.0/24 | Netherlands (100%) | 1 | 1 | 1 |
| 203.4.196.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.197.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.200.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.212.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.216.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.224.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.226.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.229.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.232.0/24 | Australia (100%) | 1 | 1 | 1 |
| 203.4.248.0/24 | Australia (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
203.4.130.0 – 203.4.131.255 | AS1221 | Telstra Limited | AU |
203.4.136.0 – 203.4.143.255 | AS18390 | Spintel Pty Ltd | AU |
203.4.145.0 – 203.4.145.255 | AS7575 | Australian Academic and Research Network | AU |
203.4.147.0 – 203.4.147.255 | AS7575 | Australian Academic and Research Network | AU |
203.4.149.0 – 203.4.149.255 | AS58929 | Datbury Pty Ltd | AU |
203.4.160.0 – 203.4.160.255 | AS24060 | KTB COMPUTER SERVICES COMPANY LIMITED | TH |
203.4.162.0 – 203.4.162.255 | AS9301 | Cynergic Pty Ltd | AU |
203.4.164.0 – 203.4.167.255 | AS149872 | Peter MacCallum Cancer Centre | AU |
203.4.168.0 – 203.4.168.255 | AS9449 | QLD VoIP Services | AU |
203.4.169.0 – 203.4.169.255 | AS37990 | NRG Gladstone Operating Services Pty Ltd | AU |
203.4.170.0 – 203.4.171.255 | AS9449 | QLD VoIP Services | AU |
203.4.172.0 – 203.4.173.255 | AS4739 | iiNet Limited | AU |
203.4.182.0 – 203.4.183.255 | AS138390 | Trinity Grammar School | AU |
203.4.185.0 – 203.4.185.255 | AS17766 | Nexon Asia Pacific Pty Ltd | AU |
203.4.187.0 – 203.4.187.255 | AS136156 | M/S FNF Online | BD |
13 more ranges in this block.