| Date | IP Address |
| 2024-11-06 | 52.96.119.136 (ClassC) |
| 2025-01-09 | 52.96.91.56 (ClassC) |
| 2025-03-06 | 40.97.205.24 (ClassC) |
| 2025-04-04 | 52.96.164.216 (ClassC) |
| 2025-05-08 | 52.96.113.232 (ClassC) |
| 2025-10-12 | 52.96.113.184 (ClassC) |
| 2026-01-18 | 52.96.121.40 (ClassC) |
| Date | Domain | IP |
| webmail.ecitb.org.uk | 2026-01-10 | 86.188.143.152 |
| servicer.ecitb.org.uk | 2026-01-11 | 20.108.124.32 |
| test.servicer.ecitb.org.uk | 2025-07-07 | 20.108.216.94 |
| dev.servicer.ecitb.org.uk | 2026-01-12 | 20.108.223.51 |
| autodiscover.ecitb.org.uk | 2024-11-06 | 52.96.119.136 |
| services.ecitb.org.uk | 2025-07-07 | 20.108.124.32 |
| access.services.ecitb.org.uk | 2025-05-14 | 20.90.157.154 |
| test.services.ecitb.org.uk | 2025-05-10 | 20.108.216.94 |
| dev.services.ecitb.org.uk | 2025-09-27 | 20.108.223.51 |
| www.ecitb.org.uk | 2025-08-12 | 213.205.148.166 |