| Date | IP Address |
| 2018-05-09 | 52.219.60.32 (ClassC) |
| 2018-05-18 | 52.219.56.44 (ClassC) |
| 2024-06-06 | 52.219.206.72 (ClassC) |
| 2024-10-29 | 52.219.58.64 (ClassC) |
| 2025-01-19 | 3.5.188.210 (ClassC) |
| 2025-02-11 | 52.219.146.92 (ClassC) |
| 2025-04-23 | 52.219.202.52 (ClassC) |
| 2025-04-28 | 3.5.184.170 (ClassC) |
| 2025-05-02 | 52.219.202.88 (ClassC) |
| 2025-05-17 | 52.219.58.124 (ClassC) |
| 2025-05-30 | 3.5.188.178 (ClassC) |
| 2025-06-30 | 3.5.186.27 (ClassC) |
| 2025-07-05 | 3.5.186.133 (ClassC) |
| 2025-08-05 | 3.5.188.166 (ClassC) |
| 2025-08-25 | 3.5.186.159 (ClassC) |
| 2025-08-27 | 3.5.184.86 (ClassC) |
| 2025-09-08 | 3.5.188.134 (ClassC) |
| 2025-09-28 | 3.5.186.219 (ClassC) |
| 2025-09-28 | 3.5.188.190 (ClassC) |
| 2025-10-05 | 3.5.189.54 (ClassC) |
| 2025-12-09 | 3.5.187.121 (ClassC) |
| 2026-01-24 | 3.5.187.97 (ClassC) |
| 2026-02-11 | 52.219.202.76 (ClassC) |
| 2026-02-26 | 3.5.188.49 (ClassC) |
| Date | Domain | IP |
| api-v2.upos.kr | 2024-07-07 | 204.246.191.6 |
| admin.upos.kr | 2025-11-23 | 43.201.81.59 |