| Date | IP Address |
| 2025-01-29 | 185.35.28.160 (ClassC) |
| Date | Domain | IP |
| planauflage.willisau.ch | 2025-01-10 | 194.182.161.23 |
| schuldienste.willisau.ch | 2025-01-10 | 80.74.152.60 |
| wasserversorgung.willisau.ch | 2025-01-09 | 185.35.28.160 |
| www.wasserversorgung.willisau.ch | 2025-01-17 | 185.35.28.160 |
| christkindlimarkt.willisau.ch | 2025-01-10 | 185.60.251.251 |
| www.christkindlimarkt.willisau.ch | 2025-01-10 | 185.60.251.251 |
| www.willisau.ch | 2025-01-29 | 185.35.28.160 |