| Country | Australia |
| ASN | AS1221 |
| Description | Data Action Pty Ltd Level 3 , 55 Currie Street, |
| Organisation | Telstra Corporation Limited ORG-TC6-AP |
| IP Range | 203.21.52.0 — 203.21.52.255 |
| Num of IPs | 256 |
| ASN | AS1221 |
| Name | ASN-TELSTRA |
| Description | Telstra Corporation Ltd |
| Organisation | Telstra Corporation Limited ORG-TC6-AP |
| Range | 203.21.52.0 — 203.21.52.255 |
| CIDR | 203.21.52.0/24 |
