| Date | IP Address |
| 2018-06-22 | 52.222.146.115 (ClassC) |
| 2018-06-28 | 54.192.197.197 (ClassC) |
| 2018-07-06 | 54.230.44.50 (ClassC) |
| 2018-07-18 | 143.204.192.55 (ClassC) |
| 2018-07-24 | 52.84.33.78 (ClassC) |
| 2018-07-24 | 52.84.33.191 (ClassC) |
| 2018-07-24 | 52.84.33.208 (ClassC) |
| 2024-03-11 | 104.20.133.64 (ClassC) |
| 2024-06-29 | 172.67.16.167 (ClassC) |
| 2024-10-01 | 104.20.17.130 (ClassC) |
| 2026-01-13 | 185.8.168.10 (ClassC) |
| Date | Domain | IP |
| io.regfish.de | 2025-01-22 | 172.67.16.167 |
| dyndns.regfish.de | 2025-10-12 | 185.8.168.10 |
| assets.regfish.de | 2018-07-31 | 143.204.47.49 |
| www.regfish.de | 2024-03-11 | 104.20.133.64 |