| Date | IP Address |
| 2014-10-15 | 218.145.65.144 (ClassC) |
| 2025-02-17 | 110.45.140.178 (ClassC) |
| 2026-01-28 | 101.202.43.178 (ClassC) |
| Date | Domain | IP |
| ns1.entoss.co.kr | 2014-10-15 | 116.126.143.226 |
| ns2.entoss.co.kr | 2014-10-15 | 218.145.65.144 |
| www.entoss.co.kr | 2025-02-19 | 110.45.140.178 |