| Date | IP Address |
| 2022-03-05 | 52.18.6.21 (ClassC) |
| 2022-11-19 | 34.243.221.77 (ClassC) |
| 2023-01-19 | 54.155.150.244 (ClassC) |
| 2023-09-20 | 34.242.244.218 (ClassC) |
| 2024-02-17 | 52.212.68.73 (ClassC) |
| 2024-04-30 | 52.48.0.136 (ClassC) |
| 2024-10-04 | 52.213.90.170 (ClassC) |
| 2024-10-14 | 54.155.191.198 (ClassC) |
| 2024-11-18 | 63.34.132.155 (ClassC) |
| 2024-11-29 | 52.211.72.40 (ClassC) |
| 2024-12-08 | 54.154.95.190 (ClassC) |
| 2025-01-11 | 52.30.48.206 (ClassC) |
| 2025-01-23 | 54.154.243.23 (ClassC) |
| 2025-03-01 | 34.242.253.109 (ClassC) |
| 2025-03-15 | 18.200.147.71 (ClassC) |
| 2025-04-23 | 34.240.80.24 (ClassC) |
| 2025-04-29 | 63.33.242.255 (ClassC) |
| 2025-05-09 | 52.50.239.204 (ClassC) |
| 2025-07-02 | 52.213.183.242 (ClassC) |
| 2025-08-10 | 3.248.160.78 (ClassC) |
| 2025-08-27 | 54.154.242.201 (ClassC) |
| 2025-08-30 | 63.33.219.39 (ClassC) |
| 2025-09-09 | 63.33.23.248 (ClassC) |
| 2025-09-14 | 52.208.22.86 (ClassC) |
| Date | Domain | IP |
| mobile1.eiken.or.jp | 2025-09-08 | 202.248.145.85 |
| uketuke.eiken.or.jp | 2025-07-23 | 18.179.63.50 |
| waitingroom.eiken.or.jp | 2024-04-30 | 52.48.0.136 |
| mcbt.eiken.or.jp | 2025-08-18 | 13.73.21.191 |
| suw.eiken.or.jp | 2025-07-01 | 54.64.51.34 |
| www.eiken.or.jp | 2024-08-10 | 13.78.25.28 |