| Date | IP Address |
| 2023-08-29 | 172.67.21.9 (ClassC) |
| 2023-10-04 | 104.22.71.217 (ClassC) |
| 2024-11-25 | 104.26.14.250 (ClassC) |
| 2025-07-05 | 104.26.15.250 (ClassC) |
| 2025-07-31 | 172.67.68.207 (ClassC) |
| Date | Domain | IP |
| oma.ytk.fi | 2025-03-01 | 3.124.95.211 |
| web-prod.cloud.oma.ytk.fi | 2024-05-14 | 52.58.139.88 |
| oma-qa.ytk.fi | 2025-02-03 | 52.58.139.88 |
| email.ytk.fi | 2025-05-21 | 91.233.125.10 |
| sso.ytk.fi | 2024-12-27 | 52.58.139.88 |
| analytics.ytk.fi | 2023-08-31 | 172.67.21.9 |
| www.ytk.fi | 2023-08-29 | 172.67.21.9 |