| Date | IP Address |
| 2024-07-26 | 205.251.192.155 (ClassC) |
| 2024-09-13 | 205.251.196.58 (ClassC) |
| 2024-10-04 | 205.251.199.148 (ClassC) |
| 2024-10-20 | 205.251.195.7 (ClassC) |
| 2024-12-24 | 205.251.198.52 (ClassC) |
| 2025-08-11 | 205.251.194.206 (ClassC) |
| 2025-09-06 | 205.251.192.153 (ClassC) |
| 2026-01-21 | 205.251.196.248 (ClassC) |
| Date | Domain | IP |
| b-form.nidek.co.jp | 2025-07-27 | 204.246.191.91 |
| ns.nidek.co.jp | 2024-07-26 | 205.251.192.155 |
| www.nidek.co.jp | 2024-09-10 | 211.1.233.193 |