| Date | IP Address |
| 2020-10-15 | 54.92.27.227 (ClassC) |
| 2021-06-29 | 54.65.4.135 (ClassC) |
| 2022-10-20 | 3.115.102.220 (ClassC) |
| 2023-08-10 | 52.68.154.249 (ClassC) |
| 2023-12-07 | 18.181.57.220 (ClassC) |
| 2024-10-09 | 54.250.158.101 (ClassC) |
| 2025-02-25 | 52.192.144.35 (ClassC) |
| 2025-10-17 | 18.181.53.222 (ClassC) |
| 2025-11-03 | 57.182.152.129 (ClassC) |
| 2025-11-11 | 57.182.222.132 (ClassC) |
| 2025-12-22 | 52.192.101.40 (ClassC) |
| 2026-02-22 | 3.115.255.200 (ClassC) |
| 2026-03-03 | 13.192.42.215 (ClassC) |
| Date | Domain | IP |
| www.reien-nagano.com | 2025-10-15 | 18.181.53.222 |