| Date | IP Address |
| 2023-02-01 | 99.84.208.59 (ClassC) |
| 2023-03-10 | 18.154.227.82 (ClassC) |
| 2023-03-10 | 18.238.4.96 (ClassC) |
| 2024-08-05 | 3.163.24.120 (ClassC) |
| 2024-08-29 | 3.163.24.125 (ClassC) |
| 2025-04-22 | 3.163.24.36 (ClassC) |
| 2025-09-21 | 3.169.173.61 (ClassC) |
| 2025-10-22 | 3.169.173.84 (ClassC) |
| Date | Domain | IP |
| ns1.securebrain.co.jp | 2025-09-12 | 205.251.195.65 |
| pub2.securebrain.co.jp | 2014-07-04 | 54.230.118.21 |
| ns2.securebrain.co.jp | 2025-09-12 | 205.251.192.109 |
| spoofing-detection-jpb.securebrain.co.jp | 2025-03-06 | 18.181.31.33 |
| pub.securebrain.co.jp | 2024-03-01 | 104.100.58.144 |
| pubs.securebrain.co.jp | 2024-08-05 | 3.163.24.120 |
| www.securebrain.co.jp | 2023-11-01 | 54.248.164.85 |