| Date | IP Address |
| 2013-04-01 | 65.121.208.249 (ClassC) |
| 2013-08-06 | 205.234.225.211 (ClassC) |
| 2024-12-18 | 172.67.28.33 (ClassC) |
| 2025-07-09 | 104.22.34.241 (ClassC) |
| 2026-02-21 | 104.20.28.145 (ClassC) |
| Date | Domain | IP |
| wedding-osaka.imperialhotel.co.jp | 2025-10-02 | 104.20.28.145 |
| another.imperialhotel.co.jp | 2026-02-20 | 172.64.153.165 |
| www.imperialhotel.co.jp | 2013-08-06 | 205.234.225.211 |