| Date | IP Address |
| 2023-08-01 | 3.143.162.72 (ClassC) |
| 2024-11-24 | 3.136.255.141 (ClassC) |
| 2025-06-01 | 18.220.113.98 (ClassC) |
| 2025-06-12 | 3.20.115.91 (ClassC) |
| 2025-06-21 | 3.133.230.240 (ClassC) |
| 2025-09-23 | 95.217.205.113 (ClassC) |
| Date | Domain | IP |
| app3.chesslang.com | 2025-06-25 | 54.215.62.21 |
| api-core.chesslang.com | 2024-11-24 | 3.136.255.141 |
| www.chesslang.com | 2024-11-25 | 159.65.227.184 |