| Date | IP Address |
| 2023-12-31 | 23.56.168.73 (ClassC) |
| 2024-01-15 | 23.221.22.81 (ClassC) |
| 2024-03-11 | 23.45.46.18 (ClassC) |
| 2024-04-13 | 23.64.114.66 (ClassC) |
| 2024-06-30 | 23.41.4.74 (ClassC) |
| 2024-10-25 | 23.64.119.63 (ClassC) |
| 2025-04-09 | 23.41.4.79 (ClassC) |
| 2025-04-09 | 23.38.109.166 (ClassC) |
| 2025-11-18 | 23.41.4.77 (ClassC) |
| Date | Domain | IP |
| www.thymn2.nissay.co.jp | 2025-07-08 | 210.226.51.177 |
| www.michl-ia.nissay.co.jp | 2025-10-16 | 180.233.109.235 |
| www.account-h.nissay.co.jp | 2025-10-14 | 23.41.4.77 |
| authentication.api.nissay.co.jp | 2024-06-30 | 23.41.4.74 |
| image.n-mail.nissay.co.jp | 2025-01-24 | 23.54.33.137 |
| click.n-mail.nissay.co.jp | 2025-10-17 | 136.147.189.179 |
| gitlab.mgmt.kdorigin-jt.nissay.co.jp | 2025-10-17 | 104.18.14.228 |
| hi.kdorigin-st.nissay.co.jp | 2025-09-11 | 104.18.6.76 |
| www.nissay.co.jp | 2024-08-10 | 104.96.163.139 |