| Date | IP Address |
| 2023-11-01 | 52.196.71.252 (ClassC) |
| 2024-03-10 | 54.248.53.67 (ClassC) |
| 2024-11-14 | 57.181.248.45 (ClassC) |
| 2024-11-17 | 18.181.8.71 (ClassC) |
| 2024-11-24 | 3.115.48.23 (ClassC) |
| 2025-01-26 | 43.206.45.116 (ClassC) |
| 2025-06-13 | 57.181.2.143 (ClassC) |
| 2025-06-18 | 57.180.100.244 (ClassC) |
| 2025-08-31 | 35.73.101.188 (ClassC) |
| 2025-09-04 | 13.115.138.32 (ClassC) |
| 2025-09-13 | 52.193.171.139 (ClassC) |
| 2026-01-21 | 3.163.24.44 (ClassC) |
| Date | Domain | IP |
| spamhunter2.ikegami.co.jp | 2025-07-04 | 118.103.78.73 |
| de.ikegami.co.jp | 2025-11-07 | 219.94.157.12 |
| stg.ikegami.co.jp | 2024-03-10 | 54.248.53.67 |
| kari.ikegami.co.jp | 2025-10-31 | 3.169.173.95 |
| www.ikegami.co.jp | 2023-11-01 | 52.196.71.252 |