| Date | IP Address |
| 2020-01-12 | 52.85.74.116 (ClassC) |
| 2024-10-28 | 99.84.66.55 (ClassC) |
| 2025-05-21 | 52.84.162.122 (ClassC) |
| 2025-09-15 | 3.169.173.60 (ClassC) |
| 2026-03-02 | 3.169.173.23 (ClassC) |
| Date | Domain | IP |
| api.when.works | 2025-12-01 | 172.66.0.96 |
| dev.when.works | 2021-02-23 | 54.230.126.48 |
| www.when.works | 2024-10-28 | 99.84.66.55 |