| Date | IP Address |
| 2020-09-21 | 54.81.195.204 (ClassC) |
| 2021-08-15 | 18.233.216.195 (ClassC) |
| 2021-10-14 | 52.1.156.132 (ClassC) |
| 2021-10-14 | 3.223.82.252 (ClassC) |
| 2021-11-04 | 52.7.224.181 (ClassC) |
| 2025-08-21 | 3.208.190.3 (ClassC) |
| 2025-11-04 | 34.227.199.248 (ClassC) |
| 2025-12-06 | 34.205.56.200 (ClassC) |
| Date | Domain | IP |
| owa.hfecorp.com | 2024-09-11 | 23.41.4.76 |
| sales-rtr-stg.hfecorp.com | 2025-04-12 | 23.41.4.71 |
| empportal.hfecorp.com | 2025-08-04 | 135.84.73.210 |
| mail.hfecorp.com | 2025-03-06 | 66.64.154.210 |
| hfedam.hfecorp.com | 2025-11-04 | 34.227.199.248 |
| reservation.hfecorp.com | 2024-07-25 | 23.41.4.90 |
| sso.hfecorp.com | 2025-04-14 | 23.41.4.71 |
| app.hfecorp.com | 2024-08-31 | 23.192.230.84 |
| admin-rtr.hfecorp.com | 2024-06-20 | 23.41.4.79 |
| sales-rtr.hfecorp.com | 2024-10-25 | 23.54.19.178 |
| demographics.hfecorp.com | 2024-12-18 | 23.54.19.42 |
| dailyops.hfecorp.com | 2025-11-24 | 23.41.4.80 |
| access.hfecorp.com | 2024-11-17 | 23.41.4.91 |