| Date | IP Address |
| 2024-12-06 | 52.29.52.191 (ClassC) |
| 2024-12-23 | 3.123.56.255 (ClassC) |
| 2025-03-03 | 52.28.190.130 (ClassC) |
| 2025-05-07 | 35.157.30.220 (ClassC) |
| 2025-06-29 | 3.66.6.147 (ClassC) |
| 2025-07-07 | 3.74.2.242 (ClassC) |
| 2025-07-21 | 35.157.166.246 (ClassC) |
| 2025-08-03 | 52.29.211.99 (ClassC) |
| 2025-08-21 | 3.75.98.98 (ClassC) |
| 2025-08-30 | 3.66.31.45 (ClassC) |
| 2025-11-18 | 18.185.206.255 (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 |
| env1.bogdan.dev.ioi.primary-portal.com | 2025-08-01 | 3.163.24.56 |
| 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 |