| Date | IP Address |
| 2025-01-30 | 185.70.42.55 (ClassC) |
| Date | Domain | IP |
| ns2.protontech.ch | 2024-11-04 | 176.119.200.150 |
| extprom-ovh-gra7.protontech.ch | 2025-01-29 | 135.125.90.63 |
| extprom-aws-north.protontech.ch | 2024-10-11 | 13.51.12.242 |
| extprom.protontech.ch | 2024-10-25 | 3.124.64.65 |
| devvpn.protontech.ch | 2024-10-11 | 91.134.109.177 |
| www.protontech.ch | 2025-01-30 | 185.70.42.55 |