| Date | IP Address |
| 2022-08-13 | 99.80.33.27 (ClassC) |
| 2024-04-23 | 52.215.172.42 (ClassC) |
| 2024-08-27 | 52.51.227.208 (ClassC) |
| 2024-09-27 | 52.16.12.162 (ClassC) |
| 2025-01-10 | 34.255.141.162 (ClassC) |
| 2025-05-11 | 52.213.43.21 (ClassC) |
| Date | Domain | IP |
| 2014.recsyschallenge.com | 2025-01-03 | 185.199.110.153 |
| 2015.recsyschallenge.com | 2024-04-23 | 52.215.172.42 |
| 2017.recsyschallenge.com | 2024-10-30 | 194.9.94.86 |
| 2018.recsyschallenge.com | 2024-08-02 | 194.9.94.85 |