| Date | IP Address |
| 2022-09-02 | 99.86.240.36 (ClassC) |
| 2023-11-11 | 3.163.24.42 (ClassC) |
| 2023-12-23 | 18.173.121.20 (ClassC) |
| 2024-04-03 | 18.173.233.41 (ClassC) |
| 2024-10-02 | 99.86.38.63 (ClassC) |
| 2024-11-01 | 99.84.66.68 (ClassC) |
| 2024-11-10 | 99.84.66.78 (ClassC) |
| 2024-11-21 | 52.84.162.3 (ClassC) |
| 2024-12-06 | 52.84.162.37 (ClassC) |
| 2024-12-14 | 52.84.162.124 (ClassC) |
| 2025-01-09 | 99.84.66.127 (ClassC) |
| 2025-01-16 | 52.84.162.65 (ClassC) |
| 2025-02-03 | 99.84.66.16 (ClassC) |
| Date | Domain | IP |
| st.keirin.jp | 2024-01-09 | 57.180.109.31 |
| cfl.st.keirin.jp | 2015-02-03 | 54.230.90.115 |
| wm.st.keirin.jp | 2024-09-19 | 18.161.6.100 |
| info.st.keirin.jp | 2023-10-31 | 52.219.199.56 |
| info.sttest.keirin.jp | 2023-10-31 | 52.219.136.86 |
| www.keirin.jp | 2024-08-10 | 99.84.66.68 |