| Date | IP Address |
| 2020-12-01 | 23.48.210.130 (ClassC) |
| 2021-04-19 | 23.35.71.211 (ClassC) |
| 2021-11-15 | 23.220.96.139 (ClassC) |
| 2021-11-15 | 23.220.96.192 (ClassC) |
| 2024-07-02 | 23.192.230.76 (ClassC) |
| 2024-12-21 | 23.46.228.164 (ClassC) |
| 2025-12-12 | 23.216.147.200 (ClassC) |
| 2026-01-16 | 23.46.228.168 (ClassC) |
| Date | Domain | IP |
| myztna.hse.com | 2025-07-01 | 217.110.102.131 |
| 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 |