| Date | IP Address |
| 2021-05-13 | 54.248.9.83 (ClassC) |
| 2021-06-01 | 52.194.71.137 (ClassC) |
| 2021-10-10 | 52.69.88.234 (ClassC) |
| 2022-05-21 | 18.182.157.147 (ClassC) |
| 2023-10-24 | 35.74.6.131 (ClassC) |
| 2023-10-24 | 54.249.197.151 (ClassC) |
| 2023-12-30 | 54.199.188.77 (ClassC) |
| 2024-07-29 | 52.199.80.161 (ClassC) |
| 2024-10-01 | 54.64.138.82 (ClassC) |
| 2025-01-16 | 3.113.237.109 (ClassC) |
| 2025-06-30 | 3.115.118.105 (ClassC) |
| 2025-07-25 | 57.182.169.60 (ClassC) |
| 2025-08-09 | 54.168.183.250 (ClassC) |
| 2025-09-09 | 52.195.130.165 (ClassC) |
| 2026-02-12 | 18.180.28.52 (ClassC) |
| 2026-03-02 | 43.206.44.114 (ClassC) |
| Date | Domain | IP |
| www.chintaikukan.jp | 2025-06-24 | 52.199.118.24 |