| Date | IP Address |
| 2017-02-06 | 107.22.164.158 (ClassC) |
| 2017-06-02 | 54.243.221.47 (ClassC) |
| 2018-01-10 | 23.23.138.216 (ClassC) |
| 2024-04-22 | 52.197.75.99 (ClassC) |
| 2024-06-03 | 35.75.124.8 (ClassC) |
| 2024-06-14 | 35.75.57.74 (ClassC) |
| 2024-09-17 | 54.250.44.191 (ClassC) |
| 2024-11-25 | 57.180.115.127 (ClassC) |
| 2024-12-26 | 35.73.195.33 (ClassC) |
| 2025-01-09 | 52.197.143.126 (ClassC) |
| 2025-01-24 | 52.198.20.173 (ClassC) |
| Date | Domain | IP |
| staging.seisan-kanrikun.itandi.co.jp | 2024-06-10 | 13.231.56.112 |
| auth.staging.seisan-kanrikun.itandi.co.jp | 2024-09-03 | 99.84.66.5 |
| www.itandi.co.jp | 2024-04-22 | 52.197.75.99 |