| Date | IP Address |
| 2016-08-23 | 23.207.20.112 (ClassC) |
| 2022-01-02 | 104.91.192.160 (ClassC) |
| 2023-08-25 | 23.202.198.85 (ClassC) |
| 2023-11-01 | 23.209.28.3 (ClassC) |
| 2024-04-14 | 23.202.205.91 (ClassC) |
| 2025-05-04 | 23.196.146.50 (ClassC) |
| 2025-05-08 | 104.92.251.243 (ClassC) |
| 2026-01-26 | 23.213.23.227 (ClassC) |
| 2026-02-23 | 23.196.195.73 (ClassC) |
| Date | Domain | IP |
| www-search.keyence.co.kr | 2023-08-25 | 23.209.28.3 |
| webmail.keyence.co.kr | 2025-10-07 | 211.234.118.52 |
| www.keyence.co.kr | 2023-08-25 | 23.202.198.85 |