| Date | IP Address |
| 2020-10-27 | 54.92.9.69 (ClassC) |
| 2021-05-16 | 54.248.9.83 (ClassC) |
| 2021-06-01 | 52.194.71.137 (ClassC) |
| 2021-09-04 | 54.178.221.47 (ClassC) |
| 2021-10-21 | 52.69.88.234 (ClassC) |
| 2023-05-04 | 54.64.15.41 (ClassC) |
| 2023-10-28 | 52.196.79.219 (ClassC) |
| 2023-10-31 | 54.249.197.151 (ClassC) |
| 2023-11-02 | 35.74.6.131 (ClassC) |
| 2024-09-21 | 52.196.153.182 (ClassC) |
| 2024-11-18 | 18.177.132.45 (ClassC) |
| 2024-12-05 | 3.113.237.109 (ClassC) |
| 2025-02-27 | 35.73.36.134 (ClassC) |
| 2025-03-03 | 13.230.251.163 (ClassC) |
| 2025-07-20 | 52.193.242.115 (ClassC) |
| 2025-09-08 | 52.195.130.165 (ClassC) |
| 2025-11-06 | 54.168.251.104 (ClassC) |
| 2026-02-06 | 18.180.28.52 (ClassC) |
| Date | Domain | IP |
| m.nitoh-c.jp | 2026-01-31 | 18.182.127.42 |
| www.nitoh-c.jp | 2025-11-22 | 57.183.66.24 |