| Date | IP Address |
| 2017-11-16 | 54.65.111.21 (ClassC) |
| 2024-09-09 | 3.113.196.59 (ClassC) |
| 2024-12-12 | 35.72.213.200 (ClassC) |
| 2025-05-07 | 35.78.139.212 (ClassC) |
| 2025-08-12 | 52.199.91.206 (ClassC) |
| 2025-09-03 | 18.178.110.23 (ClassC) |
| 2025-09-29 | 52.195.91.167 (ClassC) |
| 2025-11-23 | 176.34.4.32 (ClassC) |
| Date | Domain | IP |
| i.smile.sekisui.co.jp | 2025-04-23 | 3.112.138.146 |
| bunsho.smile.sekisui.co.jp | 2024-09-09 | 13.115.63.103 |
| myfolder.smile.sekisui.co.jp | 2024-09-09 | 3.113.196.59 |
| anet.sekisui.co.jp | 2024-04-22 | 57.180.110.9 |
| www.sekisui.co.jp | 2023-11-01 | 52.192.73.178 |