| Date | IP Address |
| 2024-10-17 | 34.96.123.119 (ClassC) |
| 2025-03-14 | 34.54.154.59 (ClassC) |
| 2026-02-26 | 34.120.105.152 (ClassC) |
| Date | Domain | IP |
| stg.st1.fi | 2024-11-25 | 34.107.169.146 |
| www-stg.st1.fi | 2025-04-30 | 34.107.169.146 |
| yritysportaali.st1.fi | 2025-05-28 | 34.54.154.59 |
| www.yritysportaali.st1.fi | 2025-08-08 | 34.54.154.59 |
| test-mobile-api.st1.fi | 2026-01-06 | 130.211.34.122 |
| image.posti.st1.fi | 2023-08-25 | 23.197.246.46 |
| lomakkeet.st1.fi | 2025-05-29 | 34.54.154.59 |
| content.st1.fi | 2025-05-23 | 34.54.154.59 |
| stg-content.st1.fi | 2025-07-31 | 34.107.169.146 |
| stg-kirjaudu.st1.fi | 2025-07-04 | 34.107.243.114 |
| www.st1.fi | 2024-09-20 | 34.96.123.119 |