| Date | IP Address |
| 2017-06-06 | 54.88.3.199 (ClassC) |
| 2024-04-17 | 52.52.205.21 (ClassC) |
| 2024-10-06 | 184.169.182.85 (ClassC) |
| 2024-12-04 | 13.52.116.170 (ClassC) |
| 2025-03-02 | 54.177.114.92 (ClassC) |
| 2025-03-21 | 54.183.53.240 (ClassC) |
| Date | Domain | IP |
| ftp.pieris.com | 2024-11-09 | 54.208.101.55 |
| ir.pieris.com | 2024-04-17 | 52.52.205.21 |
| www.pieris.com | 2024-08-31 | 50.18.250.55 |