| Date | IP Address |
| 2018-11-27 | 210.61.44.232 (ClassC) |
| 2019-12-22 | 211.20.171.200 (ClassC) |
| 2019-12-22 | 211.20.171.199 (ClassC) |
| 2020-01-17 | 202.39.67.8 (ClassC) |
| 2020-01-19 | 210.242.210.67 (ClassC) |
| 2020-01-19 | 202.39.67.1 (ClassC) |
| 2022-01-09 | 210.242.210.66 (ClassC) |
| 2022-08-13 | 203.66.35.71 (ClassC) |
| 2024-06-28 | 168.95.246.2 (ClassC) |
| 2024-09-18 | 168.95.245.2 (ClassC) |
| 2025-01-25 | 168.95.246.1 (ClassC) |
| 2025-04-16 | 168.95.246.3 (ClassC) |
| 2025-06-11 | 168.95.245.1 (ClassC) |
| 2025-09-13 | 203.74.220.3 (ClassC) |
| 2025-10-14 | 203.74.220.2 (ClassC) |
| 2025-12-11 | 203.74.220.1 (ClassC) |
| 2026-01-09 | 203.74.220.4 (ClassC) |
| 2026-01-26 | 203.74.221.2 (ClassC) |
| Date | Domain | IP |
| 2021.cec.gov.tw | 2025-09-06 | 223.200.181.103 |
| 2018.cec.gov.tw | 2019-08-06 | 117.56.91.126 |
| web.cec.gov.tw | 2024-06-28 | 168.95.246.2 |
| www.cec.gov.tw | 2021-02-24 | 117.56.68.126 |