| Date | IP Address |
| 2013-04-18 | 210.255.170.67 (ClassC) |
| 2024-08-29 | 35.72.75.40 (ClassC) |
| 2024-11-14 | 3.114.106.78 (ClassC) |
| 2024-12-28 | 13.113.78.126 (ClassC) |
| 2025-05-08 | 57.182.127.126 (ClassC) |
| 2026-01-17 | 3.112.89.59 (ClassC) |
| Date | Domain | IP |
| mail.palsys.co.jp | 2013-04-18 | 210.255.170.67 |
| palport.palsys.co.jp | 2025-08-02 | 124.39.38.203 |
| www.palsys.co.jp | 2024-06-24 | 3.114.139.161 |