| Date | IP Address |
| 2022-04-01 | 54.238.156.43 (ClassC) |
| 2025-10-19 | 54.150.79.250 (ClassC) |
| Date | Domain | IP |
| gw-api.benefit-one.co.jp | 2024-04-12 | 104.46.218.123 |
| icscl.benefit-one.co.jp | 2024-12-01 | 3.113.154.141 |
| icsadmin.benefit-one.co.jp | 2025-10-19 | 54.150.79.250 |
| secure-fp.benefit-one.co.jp | 2025-09-02 | 61.211.160.249 |
| ics.benefit-one.co.jp | 2024-10-25 | 18.180.168.221 |
| chat.benefit-one.co.jp | 2025-07-17 | 34.211.108.45 |
| www.benefit-one.co.jp | 2025-08-15 | 219.113.1.228 |