| Date | IP Address |
| 2020-08-20 | 52.69.159.102 (ClassC) |
| 2020-08-20 | 13.115.114.83 (ClassC) |
| 2020-08-20 | 52.193.57.160 (ClassC) |
| 2021-07-22 | 52.198.163.108 (ClassC) |
| 2021-07-22 | 52.69.11.1 (ClassC) |
| 2021-07-25 | 54.178.148.228 (ClassC) |
| 2024-08-28 | 99.84.66.27 (ClassC) |
| 2024-11-19 | 204.246.191.26 (ClassC) |
| 2025-02-26 | 204.246.191.38 (ClassC) |
| 2025-04-13 | 204.246.191.65 (ClassC) |
| 2025-05-22 | 18.238.238.80 (ClassC) |
| 2025-06-05 | 204.246.191.36 (ClassC) |
| Date | Domain | IP |
| dev.unlimited.book.dmm.co.jp | 2025-01-15 | 13.224.14.43 |
| api.stg.book.dmm.co.jp | 2020-08-20 | 13.115.114.83 |
| trial.book.dmm.co.jp | 2024-03-14 | 99.84.66.81 |
| p.book.dmm.co.jp | 2025-01-11 | 99.86.38.92 |