| Date | IP Address |
| 2018-11-14 | 13.113.5.56 (ClassC) |
| 2019-04-02 | 13.115.34.57 (ClassC) |
| 2019-07-29 | 52.68.54.221 (ClassC) |
| 2021-01-07 | 54.65.205.18 (ClassC) |
| 2025-11-30 | 54.178.119.233 (ClassC) |
| 2026-02-06 | 43.206.200.69 (ClassC) |
| 2026-02-25 | 3.113.83.67 (ClassC) |
| Date | Domain | IP |
| members.keyman.or.jp | 2025-10-25 | 57.182.106.128 |
| status.keyman.or.jp | 2025-11-30 | 54.178.119.233 |
| www.keyman.or.jp | 2023-11-01 | 18.179.113.180 |