| Date | IP Address |
| 2014-12-15 | 78.129.184.76 (ClassC) |
| 2017-06-24 | 78.129.184.49 (ClassC) |
| 2018-04-26 | 35.178.135.197 (ClassC) |
| 2018-09-17 | 35.176.156.4 (ClassC) |
| 2019-02-19 | 35.178.237.159 (ClassC) |
| 2023-10-22 | 104.21.33.116 (ClassC) |
| 2023-10-22 | 172.67.162.84 (ClassC) |
| 2026-01-27 | 3.9.100.75 (ClassC) |
| Date | Domain | IP |
| cdn2.codefirst.co.uk | 2025-07-29 | 172.67.162.84 |
| www.codefirst.co.uk | 2026-01-25 | 3.9.100.75 |