| Date | IP Address |
| 2023-10-31 | 104.86.247.218 (ClassC) |
| 2024-03-26 | 104.100.60.59 (ClassC) |
| 2024-11-25 | 184.25.190.56 (ClassC) |
| 2025-01-21 | 104.68.98.135 (ClassC) |
| 2025-03-01 | 23.5.245.243 (ClassC) |
| 2025-09-01 | 23.6.102.3 (ClassC) |
| 2025-10-13 | 23.195.230.72 (ClassC) |
| 2025-12-01 | 23.198.161.119 (ClassC) |
| 2026-02-20 | 23.41.4.83 (ClassC) |
| Date | Domain | IP |
| mypage.royal-hc.co.jp | 2023-08-26 | 210.149.140.143 |
| auth-stg.royal-hc.co.jp | 2025-03-01 | 23.1.185.165 |
| auth.royal-hc.co.jp | 2023-10-31 | 104.86.247.218 |
| www.royal-hc.co.jp | 2023-08-25 | 104.86.244.217 |