| Date | IP Address |
| 2022-04-07 | 3.69.237.16 (ClassC) |
| 2025-06-16 | 52.58.42.35 (ClassC) |
| 2025-06-27 | 3.68.173.121 (ClassC) |
| 2025-07-04 | 52.28.206.48 (ClassC) |
| 2025-07-08 | 52.57.181.76 (ClassC) |
| 2025-08-16 | 3.121.69.108 (ClassC) |
| 2025-09-02 | 18.195.150.211 (ClassC) |
| 2025-09-10 | 18.192.200.198 (ClassC) |
| 2025-10-06 | 18.159.231.205 (ClassC) |
| 2025-11-18 | 3.76.15.27 (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 |