| Date | IP Address |
| 2019-02-23 | 23.48.94.51 (ClassC) |
| 2019-04-02 | 23.35.150.83 (ClassC) |
| 2019-10-30 | 23.48.94.72 (ClassC) |
| 2020-04-18 | 96.7.75.145 (ClassC) |
| 2021-10-06 | 99.84.175.106 (ClassC) |
| 2025-01-26 | 3.163.158.25 (ClassC) |
| 2025-04-16 | 3.163.158.8 (ClassC) |
| 2025-06-19 | 204.246.191.47 (ClassC) |
| 2025-06-23 | 204.246.191.118 (ClassC) |
| 2025-08-28 | 99.84.66.54 (ClassC) |
| 2026-01-01 | 3.169.173.18 (ClassC) |
| 2026-01-08 | 3.169.173.36 (ClassC) |
| Date | Domain | IP |
| font.4cast.co.jp | 2019-07-24 | 13.249.134.10 |
| www.4cast.co.jp | 2025-01-26 | 3.163.158.25 |