| Date | IP Address |
| 2024-10-14 | 3.165.160.17 (ClassC) |
| 2024-11-11 | 99.84.66.95 (ClassC) |
| 2024-12-07 | 18.239.183.106 (ClassC) |
| 2024-12-09 | 99.84.66.92 (ClassC) |
| 2025-03-25 | 99.84.66.103 (ClassC) |
| 2025-05-17 | 99.84.66.107 (ClassC) |
| 2025-11-15 | 3.175.34.69 (ClassC) |
| Date | Domain | IP |
| 1q84.shinchosha.co.jp | 2025-10-24 | 13.158.203.61 |
| kohza.shinchosha.co.jp | 2025-05-12 | 49.212.207.41 |
| search.shinchosha.co.jp | 2025-09-01 | 203.216.194.146 |
| ebook.shinchosha.co.jp | 2025-08-22 | 57.182.105.99 |
| www.shinchosha.co.jp | 2024-10-14 | 3.165.160.17 |