| Date | IP Address |
| 2019-09-18 | 13.224.77.5 (ClassC) |
| 2019-09-18 | 13.224.77.77 (ClassC) |
| 2019-09-18 | 13.224.77.85 (ClassC) |
| 2019-11-08 | 13.33.73.116 (ClassC) |
| 2020-08-16 | 13.224.38.119 (ClassC) |
| 2020-08-16 | 13.224.38.106 (ClassC) |
| 2020-10-15 | 65.8.186.10 (ClassC) |
| 2021-01-13 | 13.249.21.47 (ClassC) |
| 2021-09-13 | 13.225.50.20 (ClassC) |
| 2023-09-16 | 18.161.6.82 (ClassC) |
| 2024-08-06 | 104.26.14.207 (ClassC) |
| 2024-11-24 | 104.26.15.207 (ClassC) |
| 2024-12-28 | 172.67.74.52 (ClassC) |
| Date | Domain | IP |
| api.seibii.co.jp | 2024-02-24 | 52.196.166.189 |
| admin.seibii.co.jp | 2024-09-14 | 104.26.14.207 |
| assets.seibii.co.jp | 2024-07-10 | 204.246.191.69 |