| Date | IP Address |
| 2024-03-10 | 54.248.53.67 (ClassC) |
| 2024-11-17 | 18.181.8.71 (ClassC) |
| 2024-11-24 | 52.199.172.191 (ClassC) |
| 2025-01-26 | 43.206.83.253 (ClassC) |
| 2025-06-02 | 52.198.150.209 (ClassC) |
| 2025-06-16 | 57.181.2.143 (ClassC) |
| 2025-07-04 | 52.68.90.193 (ClassC) |
| 2025-08-17 | 54.65.19.116 (ClassC) |
| 2025-09-21 | 54.250.55.172 (ClassC) |
| 2025-11-09 | 3.114.73.117 (ClassC) |
| 2026-02-02 | 18.182.233.114 (ClassC) |
| Date | Domain | IP |
| spamhunter2.ikegami.co.jp | 2026-01-21 | 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 |