| Date | IP Address |
| 2018-10-25 | 52.85.80.208 (ClassC) |
| 2024-07-28 | 104.16.51.111 (ClassC) |
| 2024-09-19 | 216.198.53.1 (ClassC) |
| 2025-03-08 | 216.198.54.1 (ClassC) |
| 2025-08-06 | 216.198.54.6 (ClassC) |
| 2025-10-09 | 216.198.53.6 (ClassC) |
| Date | Domain | IP |
| blog.codility.com | 2025-04-30 | 34.69.177.141 |
| app.codility.com | 2025-01-18 | 52.73.41.252 |
| sales.codility.com | 2025-10-07 | 3.216.14.142 |
| static-files.codility.com | 2024-10-09 | 18.161.6.102 |
| support.codility.com | 2024-07-28 | 104.16.51.111 |
| app-eu.codility.com | 2024-09-18 | 18.158.52.138 |
| www.codility.com | 2025-08-06 | 141.193.213.21 |