| Date | IP Address |
| 2020-05-03 | 52.85.151.127 (ClassC) |
| 2020-05-03 | 52.85.151.51 (ClassC) |
| 2021-09-30 | 13.227.40.25 (ClassC) |
| 2024-07-10 | 204.246.191.103 (ClassC) |
| 2024-09-06 | 204.246.191.74 (ClassC) |
| 2025-10-14 | 18.161.6.23 (ClassC) |
| 2026-01-05 | 18.161.6.104 (ClassC) |
| 2026-02-08 | 18.161.6.34 (ClassC) |
| Date | Domain | IP |
| api.koltzau.com | 2024-08-29 | 52.84.162.74 |
| ittools.koltzau.com | 2024-07-10 | 204.246.191.103 |
| www.ittools.koltzau.com | 2024-06-28 | 204.246.191.120 |