| Date | IP Address |
| 2015-10-20 | 54.231.230.12 (ClassC) |
| 2016-03-24 | 54.231.225.136 (ClassC) |
| 2016-08-30 | 52.219.16.22 (ClassC) |
| 2024-09-03 | 52.219.199.3 (ClassC) |
| 2025-04-17 | 52.219.199.79 (ClassC) |
| 2025-08-08 | 52.219.1.56 (ClassC) |
| Date | Domain | IP |
| image.contest.mdpr.jp | 2024-02-29 | 151.101.2.132 |
| img.contest.mdpr.jp | 2024-09-03 | 52.219.199.3 |