| Date | IP Address |
| 2024-09-22 | 99.84.66.33 (ClassC) |
| 2024-12-19 | 99.86.38.128 (ClassC) |
| 2025-01-09 | 99.86.38.25 (ClassC) |
| 2025-01-19 | 99.84.66.120 (ClassC) |
| 2025-03-16 | 99.86.38.91 (ClassC) |
| 2025-04-01 | 99.84.66.109 (ClassC) |
| Date | Domain | IP |
| 10th.ycam.jp | 2023-12-17 | 65.8.161.52 |
| special.ycam.jp | 2024-09-23 | 99.84.66.8 |
| alternative-education.ycam.jp | 2024-08-07 | 99.84.66.119 |
| yudaart.ycam.jp | 2025-03-16 | 99.84.66.43 |
| www.ycam.jp | 2024-10-18 | 99.84.66.109 |