| Date | IP Address |
| 2021-08-23 | 54.230.161.34 (ClassC) |
| 2021-08-23 | 54.230.161.89 (ClassC) |
| 2024-11-14 | 18.161.6.57 (ClassC) |
| 2025-01-28 | 18.161.6.88 (ClassC) |
| Date | Domain | IP |
| contents-blog.netmall.hardoff.co.jp | 2024-06-13 | 3.163.24.7 |
| stg-contents-blog.netmall.hardoff.co.jp | 2024-11-14 | 18.161.6.57 |
| contents-goods.netmall.hardoff.co.jp | 2020-11-13 | 13.224.102.122 |
| www.hardoff.co.jp | 2024-08-10 | 99.84.66.95 |