| Date | IP Address |
| 2024-12-20 | 54.157.34.95 (ClassC) |
| 2025-01-16 | 44.198.27.132 (ClassC) |
| 2025-01-28 | 107.20.56.124 (ClassC) |
| 2025-07-31 | 34.197.36.22 (ClassC) |
| 2025-08-20 | 52.45.55.27 (ClassC) |
| 2025-10-26 | 52.70.141.21 (ClassC) |
| 2025-11-24 | 52.23.24.161 (ClassC) |
| Date | Domain | IP |
| qa.hpplans.com | 2025-03-15 | 54.82.199.59 |
| dayforce.hpplans.com | 2024-12-20 | 54.157.34.95 |
| www.hpplans.com | 2024-11-26 | 198.199.154.14 |