| Date | IP Address |
| 2020-04-23 | 13.227.45.48 (ClassC) |
| 2025-04-28 | 204.246.191.106 (ClassC) |
| 2025-06-06 | 204.246.191.19 (ClassC) |
| 2025-08-10 | 204.246.191.4 (ClassC) |
| 2025-10-05 | 3.169.173.31 (ClassC) |
| 2025-11-09 | 3.169.173.109 (ClassC) |
| Date | Domain | IP |
| auth.smartst-stg.iot.irisohyama.co.jp | 2024-03-04 | 204.246.191.90 |
| www.smartst.iot.irisohyama.co.jp | 2024-08-25 | 108.138.94.24 |
| auth.smartst-dev.iot.irisohyama.co.jp | 2025-04-28 | 204.246.191.106 |