| Date | IP Address |
| 2019-10-16 | 34.233.254.239 (ClassC) |
| 2019-12-19 | 3.223.84.54 (ClassC) |
| 2020-02-20 | 52.20.173.93 (ClassC) |
| 2021-10-12 | 54.83.232.206 (ClassC) |
| 2021-12-30 | 54.88.62.206 (ClassC) |
| 2022-04-07 | 54.172.241.99 (ClassC) |
| 2026-02-28 | 172.66.0.145 (ClassC) |
| 2026-03-03 | 162.159.140.147 (ClassC) |
| Date | Domain | IP |
| athena.harker.org | 2024-02-22 | 3.216.35.129 |
| helpdesk.harker.org | 2026-02-28 | 172.66.0.145 |
| mail.harker.org | 2014-05-24 | 209.23.201.12 |
| schoology.harker.org | 2024-01-08 | 35.174.37.115 |
| library.harker.org | 2025-05-29 | 3.86.37.148 |