| Date | IP Address |
| 2016-12-09 | 182.161.77.15 (ClassC) |
| 2019-11-30 | 27.133.240.224 (ClassC) |
| 2024-08-25 | 47.243.81.216 (ClassC) |
| 2025-05-14 | 104.21.51.147 (ClassC) |
| 2025-05-27 | 104.21.80.1 (ClassC) |
| Date | Domain | IP |
| webmail.shimizu-lco.com | 2024-09-06 | 47.76.218.182 |
| ftp.shimizu-lco.com | 2025-05-02 | 104.21.51.147 |
| ns.shimizu-lco.com | 2024-08-25 | 47.243.81.216 |
| www.shimizu-lco.com | 2025-01-21 | 38.47.202.142 |