| Date | IP Address |
| 2021-04-09 | 3.106.77.34 (ClassC) |
| 2025-08-18 | 52.64.140.46 (ClassC) |
| 2025-11-03 | 13.237.149.70 (ClassC) |
| Date | Domain | IP |
| mx01.felix.net | 2025-03-24 | 54.206.192.100 |
| poczta.felix.net | 2025-05-21 | 13.237.145.33 |
| l.felix.net | 2025-03-23 | 54.253.22.159 |
| email.felix.net | 2025-01-09 | 18.65.229.14 |
| vmail.felix.net | 2025-05-23 | 13.238.87.154 |
| enterprise.help.felix.net | 2024-05-12 | 107.20.135.11 |
| pop.felix.net | 2025-08-18 | 52.64.140.46 |
| api-docs.felix.net | 2025-03-02 | 99.84.66.39 |
| assets.felix.net | 2024-12-01 | 108.138.94.77 |
| relay.felix.net | 2025-05-26 | 13.211.46.183 |