| Date | IP Address |
| 2018-10-25 | 13.33.107.176 (ClassC) |
| 2018-11-15 | 54.192.85.61 (ClassC) |
| 2018-12-31 | 99.84.216.74 (ClassC) |
| 2020-02-21 | 13.33.255.31 (ClassC) |
| 2020-05-01 | 13.224.0.58 (ClassC) |
| 2020-05-31 | 13.224.209.50 (ClassC) |
| 2024-10-14 | 52.84.162.96 (ClassC) |
| 2025-03-08 | 52.84.162.4 (ClassC) |
| 2025-08-24 | 18.161.6.14 (ClassC) |
| 2026-02-25 | 18.161.6.77 (ClassC) |
| Date | Domain | IP |
| ir.ikk-grp.jp | 2024-04-17 | 99.84.71.59 |
| www.ikk-grp.jp | 2024-10-14 | 52.84.162.96 |