| Date | IP Address |
| 2023-08-25 | 104.86.233.18 (ClassC) |
| 2024-10-25 | 23.37.213.70 (ClassC) |
| 2024-11-10 | 23.196.153.236 (ClassC) |
| 2025-01-21 | 23.203.218.143 (ClassC) |
| 2025-01-24 | 69.192.92.50 (ClassC) |
| 2025-02-06 | 23.42.118.146 (ClassC) |
| 2025-02-18 | 23.196.118.56 (ClassC) |
| 2025-02-22 | 23.60.20.165 (ClassC) |
| 2025-03-06 | 104.104.4.94 (ClassC) |
| 2025-05-22 | 184.24.148.152 (ClassC) |
| 2025-07-22 | 2.19.132.102 (ClassC) |
| 2025-09-07 | 184.24.148.74 (ClassC) |
| 2025-09-16 | 23.37.213.34 (ClassC) |
| 2025-12-16 | 23.196.205.15 (ClassC) |
| Date | Domain | IP |
| stg.nisshinfire.co.jp | 2024-11-26 | 210.148.218.18 |
| securesignon.nisshinfire.co.jp | 2025-05-05 | 92.122.12.158 |
| stg-securesignon.nisshinfire.co.jp | 2023-08-25 | 2.19.139.192 |
| accounts.nisshinfire.co.jp | 2023-08-25 | 23.196.199.182 |
| stg-accounts.nisshinfire.co.jp | 2023-08-25 | 2.19.139.192 |
| contract.nisshinfire.co.jp | 2025-09-07 | 23.41.4.82 |
| direct.nisshinfire.co.jp | 2023-08-25 | 23.74.130.246 |
| stg-direct.nisshinfire.co.jp | 2024-11-26 | 210.148.218.121 |
| www.nisshinfire.co.jp | 2025-01-20 | 23.38.191.171 |
| my.nisshinfire.co.jp | 2023-08-25 | 104.86.233.18 |