| Date | IP Address |
| 2019-07-04 | 34.253.78.182 (ClassC) |
| 2020-06-18 | 99.84.103.129 (ClassC) |
| 2020-06-18 | 99.84.103.95 (ClassC) |
| 2020-08-19 | 143.204.25.116 (ClassC) |
| 2020-08-19 | 143.204.25.59 (ClassC) |
| 2020-08-19 | 143.204.25.99 (ClassC) |
| 2021-05-21 | 54.230.103.74 (ClassC) |
| 2024-06-11 | 204.246.191.106 (ClassC) |
| 2024-08-02 | 108.138.94.95 (ClassC) |
| 2024-11-07 | 204.246.191.30 (ClassC) |
| 2024-12-08 | 204.246.191.89 (ClassC) |
| 2024-12-24 | 108.138.94.91 (ClassC) |
| 2025-01-03 | 108.138.94.29 (ClassC) |
| 2025-03-09 | 204.246.191.79 (ClassC) |
| 2025-05-10 | 104.26.8.185 (ClassC) |
| 2025-07-14 | 172.67.75.120 (ClassC) |
| 2025-08-04 | 104.26.9.185 (ClassC) |
| Date | Domain | IP |
| api.hoelzle.ch | 2024-08-08 | 54.247.69.169 |
| crm.hoelzle.ch | 2024-03-08 | 99.84.66.97 |
| assets.hoelzle.ch | 2025-06-28 | 151.101.22.92 |
| www.hoelzle.ch | 2024-08-02 | 54.247.69.169 |