| Date | IP Address |
| 2020-09-28 | 52.198.86.243 (ClassC) |
| 2020-11-01 | 13.32.86.50 (ClassC) |
| 2021-02-08 | 54.230.137.61 (ClassC) |
| 2021-02-10 | 54.230.209.95 (ClassC) |
| 2021-06-21 | 54.192.120.31 (ClassC) |
| 2024-07-03 | 3.163.24.104 (ClassC) |
| 2024-07-14 | 204.246.191.64 (ClassC) |
| 2024-10-02 | 18.161.6.29 (ClassC) |
| 2025-01-09 | 204.246.191.35 (ClassC) |
| 2025-06-20 | 18.172.185.41 (ClassC) |
| 2025-08-02 | 204.246.191.11 (ClassC) |
| Date | Domain | IP |
| www.kuriyamakasei.com | 2024-08-11 | 204.246.191.64 |