| Date | IP Address |
| 2025-01-04 | 222.231.28.18 (ClassC) |
| Date | Domain | IP |
| mail1.kjplant.co.kr | 2024-10-26 | 222.231.28.18 |
| mx1.kjplant.co.kr | 2024-09-02 | 222.231.28.18 |
| pop3.kjplant.co.kr | 2024-10-05 | 222.231.28.18 |
| exchange.kjplant.co.kr | 2024-10-24 | 222.231.28.18 |
| remote.kjplant.co.kr | 2024-10-27 | 222.231.28.18 |
| smtpseguro.kjplant.co.kr | 2024-01-14 | 222.231.28.18 |
| authsmtp.kjplant.co.kr | 2025-01-04 | 222.231.28.18 |
| server.kjplant.co.kr | 2024-09-30 | 222.231.28.18 |
| dev.kjplant.co.kr | 2024-10-12 | 222.231.28.18 |
| www.kjplant.co.kr | 2024-11-22 | 222.231.28.18 |
| mx.kjplant.co.kr | 2024-10-19 | 222.231.28.18 |