| Date | IP Address |
| 2020-10-02 | 13.35.121.112 (ClassC) |
| 2021-09-04 | 65.8.17.100 (ClassC) |
| 2021-09-04 | 65.8.17.13 (ClassC) |
| 2024-06-22 | 3.163.24.74 (ClassC) |
| 2024-06-25 | 3.163.24.43 (ClassC) |
| 2025-12-15 | 3.163.24.6 (ClassC) |
| Date | Domain | IP |
| svmeas.rion.co.jp | 2025-11-15 | 52.196.10.30 |
| rclapi-dev.rion.co.jp | 2025-03-05 | 52.194.150.22 |
| rnavi-dev.rion.co.jp | 2024-06-22 | 3.163.24.74 |
| www.rion.co.jp | 2025-02-25 | 52.223.54.227 |