| Date | IP Address |
| 2023-08-25 | 104.86.224.243 (ClassC) |
| 2024-04-13 | 23.202.205.51 (ClassC) |
| 2024-07-30 | 23.37.107.75 (ClassC) |
| 2024-09-21 | 23.196.146.10 (ClassC) |
| 2024-11-29 | 23.196.195.34 (ClassC) |
| 2024-12-29 | 23.223.220.12 (ClassC) |
| 2025-02-23 | 104.103.219.201 (ClassC) |
| 2025-07-23 | 104.92.251.201 (ClassC) |
| 2025-09-17 | 23.202.205.48 (ClassC) |
| 2026-02-22 | 23.41.4.79 (ClassC) |
| Date | Domain | IP |
| ssc.niandc.co.jp | 2025-01-01 | 3.163.24.48 |
| www.niandc.co.jp | 2025-08-03 | 34.96.116.120 |
| survey.niandc.co.jp | 2023-08-25 | 104.86.224.243 |