| Date | IP Address |
| 2017-09-19 | 52.84.143.218 (ClassC) |
| 2017-12-10 | 52.222.220.232 (ClassC) |
| 2018-01-02 | 52.222.220.177 (ClassC) |
| 2018-04-13 | 52.85.83.65 (ClassC) |
| 2024-07-15 | 204.246.191.84 (ClassC) |
| 2025-04-30 | 204.246.191.88 (ClassC) |
| 2025-12-30 | 3.169.173.118 (ClassC) |
| 2026-02-19 | 3.169.173.59 (ClassC) |
| Date | Domain | IP |
| mail.e-inv.co.jp | 2025-05-28 | 74.125.195.26 |
| recruit.e-inv.co.jp | 2024-07-15 | 204.246.191.84 |
| www.e-inv.co.jp | 2024-04-22 | 18.161.6.69 |