| Date | IP Address |
| 2025-09-24 | 13.232.77.244 (ClassC) |
| 2025-11-13 | 3.108.211.11 (ClassC) |
| 2025-11-20 | 15.207.57.83 (ClassC) |
| Date | Domain | IP |
| elink.communication.tetr.com | 2025-11-11 | 3.6.215.36 |
| elink.admissions.tetr.com | 2025-11-10 | 13.234.195.24 |
| elink.partners.tetr.com | 2025-11-10 | 3.6.215.36 |
| elink.events.tetr.com | 2025-11-13 | 3.108.211.11 |
| www.tetr.com | 2024-08-10 | 54.68.171.176 |