| Date | IP Address |
| 2025-05-10 | 172.67.74.149 (ClassC) |
| 2026-02-02 | 104.26.1.132 (ClassC) |
| 2026-02-08 | 104.26.0.132 (ClassC) |
| Date | Domain | IP |
| nlb01.erst.dk | 2025-05-08 | 87.63.97.15 |
| aks-prod-02.erst.dk | 2025-02-19 | 20.101.0.139 |
| aks-02.erst.dk | 2025-05-26 | 20.101.0.139 |
| erhvervsfremme.erst.dk | 2025-06-20 | 20.101.0.139 |
| www.erst.dk | 2023-12-01 | 77.66.60.18 |