| Date | IP Address |
| 2022-02-12 | 54.92.75.109 (ClassC) |
| 2023-08-26 | 18.179.63.194 (ClassC) |
| 2023-09-13 | 54.64.58.75 (ClassC) |
| 2024-01-12 | 52.199.249.223 (ClassC) |
| 2024-04-29 | 54.95.96.174 (ClassC) |
| 2024-05-06 | 54.150.29.181 (ClassC) |
| 2024-07-02 | 54.150.83.58 (ClassC) |
| 2024-07-25 | 52.69.21.71 (ClassC) |
| 2024-09-15 | 52.194.160.141 (ClassC) |
| 2024-10-06 | 57.180.154.181 (ClassC) |
| 2024-10-19 | 54.64.232.207 (ClassC) |
| 2025-01-04 | 3.114.157.106 (ClassC) |
| 2025-01-19 | 3.115.99.248 (ClassC) |
| 2025-01-26 | 57.180.87.26 (ClassC) |
| 2025-02-22 | 3.113.224.23 (ClassC) |
| 2025-03-03 | 54.150.229.145 (ClassC) |
| 2025-03-19 | 52.192.185.69 (ClassC) |
| 2025-03-28 | 54.248.97.253 (ClassC) |
| 2025-04-07 | 13.115.121.77 (ClassC) |
| 2025-05-07 | 18.180.196.105 (ClassC) |
| 2025-06-24 | 52.192.135.147 (ClassC) |
| 2025-07-16 | 54.238.127.100 (ClassC) |
| 2025-08-21 | 35.75.146.103 (ClassC) |
| 2025-08-25 | 46.51.242.124 (ClassC) |
| 2025-09-08 | 18.180.204.1 (ClassC) |
| 2025-12-17 | 52.194.158.19 (ClassC) |
| 2026-02-27 | 18.178.116.47 (ClassC) |
| 2026-03-05 | 18.182.67.88 (ClassC) |
| Date | Domain | IP |
| prodalt.els-nursingskills.kr | 2025-11-03 | 172.64.144.214 |
| www.els-nursingskills.kr | 2025-02-22 | 52.68.169.93 |