| Date | IP Address |
| 2021-06-10 | 65.8.49.44 (ClassC) |
| 2021-08-12 | 65.8.56.83 (ClassC) |
| 2021-08-12 | 65.8.56.9 (ClassC) |
| 2021-09-18 | 65.8.48.67 (ClassC) |
| 2022-05-11 | 18.160.200.126 (ClassC) |
| 2022-05-11 | 18.160.200.129 (ClassC) |
| 2024-06-02 | 18.161.6.124 (ClassC) |
| 2024-07-30 | 18.161.6.118 (ClassC) |
| Date | Domain | IP |
| catalog1.ykkap.co.jp | 2025-03-01 | 54.65.48.18 |
| aplink2.ykkap.co.jp | 2024-11-24 | 13.115.39.221 |
| guide.ykkap.co.jp | 2025-03-05 | 54.65.68.176 |
| aplug.ykkap.co.jp | 2022-05-01 | 108.156.91.125 |
| assets.ykkap.co.jp | 2024-06-02 | 18.161.6.124 |
| parts.ykkap.co.jp | 2025-03-17 | 210.158.220.112 |
| www.ykkap.co.jp | 2023-11-01 | 35.76.211.95 |