| Date | IP Address |
| 2023-10-09 | 99.84.191.122 (ClassC) |
| 2024-09-17 | 18.161.6.107 (ClassC) |
| 2024-12-29 | 18.161.6.64 (ClassC) |
| 2025-06-06 | 3.175.34.62 (ClassC) |
| 2025-06-22 | 99.86.38.12 (ClassC) |
| 2025-07-17 | 3.175.34.76 (ClassC) |
| Date | Domain | IP |
| cdn.aops.com | 2025-05-26 | 3.175.34.26 |
| avatar.aops.com | 2025-04-18 | 99.84.66.105 |
| ba-services.aops.com | 2025-08-20 | 45.79.3.90 |
| bugs.aops.com | 2025-10-17 | 45.33.50.153 |
| assets.aops.com | 2024-09-17 | 18.161.6.107 |
| www.aops.com | 2025-11-24 | 3.101.49.155 |