| Date | IP Address |
| 2023-11-01 | 52.69.87.234 (ClassC) |
| 2024-05-15 | 52.69.180.178 (ClassC) |
| 2024-10-24 | 54.64.167.213 (ClassC) |
| 2024-11-04 | 35.74.154.212 (ClassC) |
| 2024-11-10 | 3.115.61.61 (ClassC) |
| 2024-11-25 | 18.179.210.16 (ClassC) |
| 2024-12-30 | 13.114.130.58 (ClassC) |
| 2025-01-23 | 57.180.178.100 (ClassC) |
| 2025-02-06 | 18.178.153.2 (ClassC) |
| 2025-02-09 | 3.114.230.68 (ClassC) |
| 2025-02-15 | 54.92.52.20 (ClassC) |
| 2025-02-20 | 18.181.12.41 (ClassC) |
| 2025-03-05 | 35.74.114.183 (ClassC) |
| 2025-05-12 | 43.206.33.81 (ClassC) |
| 2025-06-18 | 57.180.201.120 (ClassC) |
| 2025-08-01 | 52.193.143.214 (ClassC) |
| 2025-10-06 | 176.34.24.11 (ClassC) |
| 2025-11-21 | 18.177.79.23 (ClassC) |
| Date | Domain | IP |
| search.kccs.co.jp | 2025-11-18 | 203.216.194.146 |
| bookcountermaster.kccs.co.jp | 2025-10-12 | 35.190.8.30 |
| www.kccs.co.jp | 2023-11-01 | 52.69.87.234 |