| Date | IP Address |
| 2015-01-23 | 211.245.106.201 (ClassC) |
| 2015-08-18 | 188.40.60.76 (ClassC) |
| 2015-09-30 | 87.106.138.182 (ClassC) |
| 2020-10-07 | 172.67.191.131 (ClassC) |
| 2020-10-07 | 104.24.102.137 (ClassC) |
| 2020-10-07 | 104.24.103.137 (ClassC) |
| 2021-03-10 | 104.21.51.233 (ClassC) |
| 2023-11-09 | 185.117.168.163 (ClassC) |
| 2024-08-31 | 5.75.182.161 (ClassC) |
| 2025-01-27 | 138.201.240.18 (ClassC) |
| Date | Domain | IP |
| kartenantrag.isic.at | 2023-08-28 | 35.156.189.72 |
| www.isic.at | 2015-07-06 | 188.40.60.76 |