| Date | IP Address |
| 2024-12-06 | 104.21.21.244 (ClassC) |
| 2025-04-30 | 104.21.16.1 (ClassC) |
| 2025-06-17 | 104.21.112.1 (ClassC) |
| 2025-08-05 | 104.21.64.1 (ClassC) |
| 2026-01-06 | 172.67.201.113 (ClassC) |
| Date | Domain | IP |
| api.taxworld.ie | 2024-12-06 | 104.21.21.244 |
| www.taxworld.ie | 2024-12-06 | 104.21.21.244 |