| Date | IP Address |
| 2013-12-17 | 206.165.245.100 (ClassC) |
| 2025-04-30 | 68.232.201.28 (ClassC) |
| Date | Domain | IP |
| refer.dna.ancestry.co.uk | 2024-07-20 | 54.173.222.63 |
| secure.ancestry.co.uk | 2025-02-12 | 172.64.148.93 |
| sharing.ancestry.co.uk | 2015-03-24 | 23.23.125.149 |
| email.ancestry.co.uk | 2013-12-17 | 206.165.245.100 |
| metrics.ancestry.co.uk | 2014-03-08 | 66.235.138.226 |
| smetrics.ancestry.co.uk | 2023-07-22 | 63.140.36.112 |
| www.ancestry.co.uk | 2024-11-25 | 104.18.39.163 |
| ajax.ancestry.co.uk | 2025-04-30 | 104.18.39.163 |