| Date | IP Address |
| 2022-07-03 | 58.216.118.106 (ClassC) |
| 2022-09-28 | 61.155.221.222 (ClassC) |
| 2022-12-08 | 220.185.164.244 (ClassC) |
| 2023-02-21 | 221.231.81.125 (ClassC) |
| 2023-02-21 | 221.231.81.169 (ClassC) |
| 2023-02-21 | 221.231.81.170 (ClassC) |
| 2023-02-21 | 221.231.81.175 (ClassC) |
| 2024-09-03 | 114.215.181.203 (ClassC) |
| 2024-10-24 | 180.163.141.215 (ClassC) |
| 2024-11-25 | 61.170.81.225 (ClassC) |
| 2025-03-10 | 121.40.145.146 (ClassC) |
| 2026-01-29 | 111.202.134.149 (ClassC) |
| Date | Domain | IP |
| m.sumec.com | 2025-02-18 | 114.215.174.87 |
| cn.sumec.com | 2025-03-30 | 121.40.145.146 |
| en.sumec.com | 2025-02-13 | 121.40.145.146 |
| jp.sumec.com | 2025-08-17 | 111.202.134.149 |
| fr.sumec.com | 2025-09-19 | 111.202.134.149 |
| es.sumec.com | 2025-04-05 | 121.40.145.146 |
| www.sumec.com | 2024-09-03 | 114.215.181.203 |