| Date | IP Address |
| 2022-02-04 | 52.218.116.188 (ClassC) |
| 2024-10-29 | 52.218.93.124 (ClassC) |
| 2025-04-25 | 3.5.70.182 (ClassC) |
| 2025-10-17 | 52.218.44.252 (ClassC) |
| 2026-03-08 | 3.5.64.210 (ClassC) |
| Date | Domain | IP |
| about-cancer.stg.cruk.org | 2026-02-10 | 3.169.173.112 |
| uat.cruk.org | 2024-10-29 | 52.218.93.124 |
| integration.fwa.ofr.int.cruk.org | 2024-11-23 | 18.161.6.3 |
| activities.int.cruk.org | 2024-07-24 | 3.163.24.43 |
| auth.activities.int.cruk.org | 2024-06-27 | 204.246.191.22 |
| www.cruk.org | 2024-11-26 | 204.74.99.103 |