| Date | IP Address |
| 2021-03-20 | 52.85.224.203 (ClassC) |
| 2021-07-14 | 54.230.19.203 (ClassC) |
| 2021-11-30 | 99.84.247.119 (ClassC) |
| 2024-06-24 | 3.163.24.41 (ClassC) |
| 2024-12-01 | 3.163.24.18 (ClassC) |
| 2025-01-27 | 99.84.66.4 (ClassC) |
| Date | Domain | IP |
| rsv.princehotels.co.jp | 2024-11-29 | 99.86.38.77 |
| aws.rsv.princehotels.co.jp | 2024-06-24 | 3.163.24.41 |
| www.princehotels.co.jp | 2014-10-15 | 93.184.221.133 |