| Date | IP Address |
| 2015-04-08 | 94.232.175.17 (ClassC) |
| 2017-11-20 | 51.255.53.204 (ClassC) |
| 2018-03-18 | 185.86.181.90 (ClassC) |
| 2019-10-17 | 5.56.132.156 (ClassC) |
| 2020-01-17 | 185.128.81.80 (ClassC) |
| 2020-11-08 | 135.181.67.51 (ClassC) |
| 2026-02-05 | 136.243.95.196 (ClassC) |
| Date | Domain | IP |
| mail.apchen.com | 2025-08-01 | 136.243.95.196 |
| www.apchen.com | 2025-02-02 | 136.243.95.196 |