| Date | IP Address |
| 2020-10-28 | 99.86.154.110 (ClassC) |
| 2024-09-08 | 99.84.66.125 (ClassC) |
| 2025-05-22 | 99.86.38.100 (ClassC) |
| 2025-09-08 | 99.84.66.47 (ClassC) |
| 2025-10-24 | 3.169.173.56 (ClassC) |
| 2025-12-31 | 3.169.173.29 (ClassC) |
| 2026-02-12 | 3.169.173.52 (ClassC) |
| Date | Domain | IP |
| static.hol.edu | 2024-02-19 | 99.84.66.85 |
| static-assets.hol.edu | 2024-09-08 | 99.84.66.125 |
| www.hol.edu | 2024-05-25 | 35.165.164.119 |