| Date | IP Address |
| 2023-08-18 | 136.243.211.225 (ClassC) |
| 2025-12-10 | 148.251.196.15 (ClassC) |
| Date | Domain | IP |
| ns1.cisp.de | 2025-05-27 | 138.201.108.136 |
| NS2.CISP.DE | 2019-11-05 | 144.76.52.39 |
| ns3.cisp.de | 2025-10-03 | 138.201.108.138 |
| www.cisp.de | 2023-08-18 | 136.243.211.225 |