| Date | IP Address |
| 2013-10-16 | 27.34.141.100 (ClassC) |
| 2020-07-13 | 18.177.63.47 (ClassC) |
| 2021-10-10 | 52.68.47.193 (ClassC) |
| 2023-08-27 | 52.69.140.27 (ClassC) |
| 2024-07-12 | 54.150.39.107 (ClassC) |
| 2024-09-14 | 54.178.44.99 (ClassC) |
| 2024-09-30 | 52.198.226.23 (ClassC) |
| 2025-12-14 | 162.43.122.77 (ClassC) |
| Date | Domain | IP |
| prod.style-arena.jp | 2025-12-14 | 162.43.122.77 |
| www.style-arena.jp | 2025-12-14 | 162.43.122.77 |