| Date | IP Address |
| 2024-06-25 | 3.225.80.149 (ClassC) |
| 2024-07-22 | 23.20.172.78 (ClassC) |
| 2024-11-25 | 54.209.204.107 (ClassC) |
| 2025-01-16 | 44.205.238.191 (ClassC) |
| 2025-02-13 | 54.144.31.60 (ClassC) |
| 2025-04-20 | 35.169.219.29 (ClassC) |
| 2025-08-31 | 3.209.57.168 (ClassC) |
| 2025-09-06 | 54.221.111.97 (ClassC) |
| 2026-01-10 | 3.228.168.153 (ClassC) |
| 2026-01-20 | 107.20.151.71 (ClassC) |
| 2026-02-21 | 3.234.167.101 (ClassC) |
| Date | Domain | IP |
| api.placardpass.com | 2025-05-27 | 54.91.60.11 |
| authentication.placardpass.com | 2024-09-30 | 18.161.6.112 |
| sftp.placardpass.com | 2026-02-21 | 52.6.27.26 |
| www.placardpass.com | 2024-07-22 | 23.20.172.78 |