| Date | IP Address |
| 2019-08-19 | 52.193.166.133 (ClassC) |
| 2019-10-18 | 54.249.230.150 (ClassC) |
| 2019-11-28 | 52.193.238.236 (ClassC) |
| 2020-05-21 | 52.196.226.0 (ClassC) |
| 2020-05-21 | 52.199.202.198 (ClassC) |
| 2025-03-08 | 3.163.189.9 (ClassC) |
| 2025-07-21 | 18.161.6.100 (ClassC) |
| 2025-10-09 | 18.161.6.110 (ClassC) |
| 2025-10-17 | 18.161.6.60 (ClassC) |
| Date | Domain | IP |
| www.yagiclinic.or.jp | 2024-08-15 | 18.161.6.60 |