| Date | IP Address |
| 2025-01-20 | 172.67.69.40 (ClassC) |
| 2025-03-05 | 104.26.0.190 (ClassC) |
| 2025-05-02 | 104.26.1.190 (ClassC) |
| Date | Domain | IP |
| b2b.letec.be | 2024-10-07 | 104.26.1.190 |
| selfservice.letec.be | 2024-08-30 | 104.26.1.190 |
| plandentreprise.letec.be | 2024-09-01 | 104.26.1.190 |
| cms.bff.letec.be | 2024-09-13 | 172.67.69.40 |
| sso.staging.letec.be | 2024-06-05 | 104.26.0.190 |
| sso.letec.be | 2024-08-26 | 104.26.0.190 |
| eshop.letec.be | 2024-06-08 | 104.26.0.190 |
| sso.qas.letec.be | 2024-09-03 | 104.26.0.190 |
| b2bqas.letec.be | 2025-01-14 | 104.26.1.190 |
| eshopqas.letec.be | 2024-09-01 | 104.26.1.190 |
| esupport.letec.be | 2024-07-07 | 3.123.255.103 |
| www.letec.be | 2024-11-25 | 172.67.69.40 |