| Date | IP Address |
| 2015-08-06 | 182.161.77.15 (ClassC) |
| 2024-08-12 | 27.133.240.224 (ClassC) |
| 2026-02-13 | 85.131.197.116 (ClassC) |
| Date | Domain | IP |
| ns1.kahm-art.co.jp | 2025-09-14 | 85.131.197.116 |
| ns2.kahm-art.co.jp | 2025-08-19 | 85.131.197.116 |
| mail.kahm-art.co.jp | 2025-09-14 | 85.131.197.116 |
| webmail.kahm-art.co.jp | 2025-07-23 | 85.131.197.116 |
| ftp.kahm-art.co.jp | 2025-08-18 | 85.131.197.116 |
| ns.kahm-art.co.jp | 2024-09-27 | 27.133.240.224 |
| www.kahm-art.co.jp | 2024-08-22 | 27.133.240.224 |