| Date | IP Address |
| 2020-12-01 | 23.48.210.130 (ClassC) |
| 2021-04-19 | 23.35.71.211 (ClassC) |
| 2021-06-28 | 23.198.6.37 (ClassC) |
| 2021-11-15 | 23.220.96.192 (ClassC) |
| 2021-11-15 | 23.220.96.139 (ClassC) |
| 2024-09-29 | 23.54.19.120 (ClassC) |
| 2024-11-09 | 23.59.154.144 (ClassC) |
| 2024-12-26 | 23.54.19.90 (ClassC) |
| 2025-05-06 | 23.55.167.11 (ClassC) |
| 2025-07-10 | 23.46.228.164 (ClassC) |
| 2026-02-24 | 23.216.147.196 (ClassC) |
| 2026-03-04 | 23.216.147.200 (ClassC) |
| Date | Domain | IP |
| myztna.hse.com | 2026-02-16 | 24.40.138.179 |
| corporate.hse.com | 2024-08-11 | 23.46.17.9 |
| innovate.hse.com | 2024-11-25 | 23.46.17.65 |
| development.hse.com | 2024-07-02 | 23.192.230.76 |
| corporate-development.hse.com | 2024-09-29 | 23.54.19.120 |
| www.hse.com | 2024-03-10 | 23.46.17.34 |