| Date | IP Address |
| 2015-12-21 | 182.161.77.15 (ClassC) |
| 2019-11-05 | 27.133.240.224 (ClassC) |
| 2024-08-12 | 38.14.206.72 (ClassC) |
| 2025-05-02 | 172.67.181.182 (ClassC) |
| 2025-05-11 | 104.21.51.147 (ClassC) |
| 2025-08-02 | 104.21.64.1 (ClassC) |
| 2026-02-13 | 38.38.129.18 (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 |