| Date | IP Address |
| 2017-01-31 | 211.43.212.189 (ClassC) |
| 2017-12-01 | 52.84.64.3 (ClassC) |
| 2018-05-29 | 13.33.126.121 (ClassC) |
| 2018-07-03 | 52.85.233.109 (ClassC) |
| 2018-07-05 | 52.85.233.27 (ClassC) |
| 2018-07-10 | 52.85.233.116 (ClassC) |
| 2018-07-11 | 52.85.233.226 (ClassC) |
| 2026-02-24 | 104.198.14.52 (ClassC) |
| Date | Domain | IP |
| agent-api.stag.heumtax.com | 2025-12-01 | 43.200.65.42 |
| api.heumtax.com | 2021-11-17 | 99.84.64.82 |
| www.heumtax.com | 2023-11-01 | 50.18.142.31 |
| academy.heumtax.com | 2024-08-22 | 3.163.24.41 |