| Date | IP Address |
| 2021-09-18 | 49.4.56.20 (ClassC) |
| 2025-10-16 | 117.78.24.35 (ClassC) |
| Date | Domain | IP |
| www.cggc2.ceec.net.cn | 2025-08-28 | 117.78.24.32 |
| www.ahdc.ceec.net.cn | 2025-08-04 | 49.4.56.27 |
| www.ytpc.ceec.net.cn | 2025-10-16 | 117.78.24.35 |
| www.dlxlqc.ceec.net.cn | 2024-09-01 | 117.78.24.34 |
| www.hepdi.ceec.net.cn | 2025-08-28 | 49.4.56.26 |
| mail.ceec.net.cn | 2025-09-13 | 129.226.102.73 |