| Date | IP Address |
| 2020-05-18 | 143.204.39.10 (ClassC) |
| 2020-06-20 | 13.225.64.84 (ClassC) |
| 2020-06-23 | 99.86.62.40 (ClassC) |
| 2021-09-10 | 13.225.198.10 (ClassC) |
| 2021-11-15 | 52.84.174.60 (ClassC) |
| 2021-12-18 | 52.222.158.46 (ClassC) |
| 2022-04-13 | 143.204.146.9 (ClassC) |
| 2022-09-02 | 99.86.63.33 (ClassC) |
| 2025-12-06 | 104.18.9.112 (ClassC) |
| 2026-02-14 | 104.18.8.112 (ClassC) |
| Date | Domain | IP |
| ir.jameshardie.com.au | 2026-01-25 | 104.18.8.112 |
| www.ir.jameshardie.com.au | 2026-02-10 | 104.18.9.112 |
| myhardies.jameshardie.com.au | 2025-10-07 | 104.18.9.112 |
| www.jameshardie.com.au | 2025-12-06 | 104.18.9.112 |