| Date | IP Address |
| 2024-06-09 | 52.28.249.118 (ClassC) |
| 2024-06-28 | 3.121.44.37 (ClassC) |
| 2024-08-25 | 52.29.178.60 (ClassC) |
| 2024-09-07 | 18.198.99.203 (ClassC) |
| 2024-11-21 | 3.127.179.73 (ClassC) |
| 2025-04-24 | 35.156.239.165 (ClassC) |
| 2025-04-30 | 3.120.214.85 (ClassC) |
| 2025-06-22 | 52.29.10.167 (ClassC) |
| 2025-06-28 | 3.73.240.114 (ClassC) |
| 2025-07-07 | 54.93.159.145 (ClassC) |
| Date | Domain | IP |
| ssapi.env1.liudmyla.dev.ioi.primary-portal.com | 2024-06-16 | 35.156.7.199 |
| api.env1.slava.dev.ioi.primary-portal.com | 2025-06-16 | 52.58.42.35 |
| ssapi.env1.slava.dev.ioi.primary-portal.com | 2024-09-28 | 18.196.127.136 |
| iapi.env1.giorgi.dev.ioi.primary-portal.com | 2024-06-11 | 18.158.219.57 |
| api.env1.jarek.dev.ioi.primary-portal.com | 2025-03-05 | 3.64.99.225 |
| iapi.env1.yevhen.dev.ioi.primary-portal.com | 2024-06-09 | 52.28.249.118 |
| api.env1.ko.dev.ioi.primary-portal.com | 2024-04-23 | 35.158.29.29 |
| iapi.env1.ko.dev.ioi.primary-portal.com | 2024-12-06 | 52.29.52.191 |
| api.env1.piotr.dev.ioi.primary-portal.com | 2024-06-16 | 3.69.143.95 |
| ssapi.env1.narley.dev.ioi.primary-portal.com | 2024-08-20 | 18.197.214.182 |