| Date | IP Address |
| 2020-08-27 | 13.224.38.48 (ClassC) |
| 2021-01-13 | 99.84.214.25 (ClassC) |
| 2021-01-13 | 99.84.214.71 (ClassC) |
| 2024-02-18 | 99.84.66.31 (ClassC) |
| 2024-02-21 | 99.84.66.18 (ClassC) |
| 2024-06-18 | 3.163.24.70 (ClassC) |
| 2024-09-02 | 3.163.24.62 (ClassC) |
| 2024-11-13 | 52.84.162.104 (ClassC) |
| 2024-11-17 | 99.84.66.57 (ClassC) |
| Date | Domain | IP |
| api.preci.stayconcierge.jp | 2024-11-13 | 35.186.216.203 |
| api.preci-develop.stayconcierge.jp | 2024-11-13 | 35.190.68.122 |