| Date | IP Address |
| 2018-02-20 | 52.20.97.195 (ClassC) |
| 2018-03-15 | 52.203.199.6 (ClassC) |
| 2026-02-10 | 104.18.34.21 (ClassC) |
| Date | Domain | IP |
| cdata.vikingcruises.com | 2024-01-09 | 18.161.6.25 |
| explore.vikingcruises.com | 2026-02-10 | 104.18.34.21 |
| mi.vikingcruises.com | 2024-10-28 | 44.231.101.131 |
| cdn.em.vikingcruises.com | 2024-04-05 | 108.138.94.13 |
| docs.vikingcruises.com | 2024-11-19 | 18.161.6.82 |
| viewemails.vikingcruises.com | 2025-11-02 | 3.169.173.5 |
| www.vikingcruises.com | 2024-02-19 | 18.239.199.119 |