| Date | IP Address |
| 2015-04-09 | 54.153.50.84 (ClassC) |
| 2016-02-03 | 52.9.37.18 (ClassC) |
| 2016-02-29 | 54.183.131.89 (ClassC) |
| 2016-04-27 | 52.9.169.199 (ClassC) |
| 2017-09-09 | 54.152.235.132 (ClassC) |
| 2019-08-02 | 52.84.141.86 (ClassC) |
| 2019-08-06 | 54.230.193.204 (ClassC) |
| 2019-08-06 | 54.230.193.25 (ClassC) |
| 2019-09-16 | 13.225.54.116 (ClassC) |
| 2019-09-16 | 13.225.54.3 (ClassC) |
| 2019-09-16 | 13.225.54.81 (ClassC) |
| 2020-02-07 | 13.227.43.59 (ClassC) |
| 2024-11-21 | 99.84.66.64 (ClassC) |
| 2024-12-19 | 99.84.66.108 (ClassC) |
| 2025-01-21 | 99.86.38.78 (ClassC) |
| 2025-02-27 | 99.86.38.86 (ClassC) |
| 2025-03-16 | 99.86.38.49 (ClassC) |
| 2025-07-30 | 18.239.199.115 (ClassC) |
| 2025-08-23 | 99.84.66.128 (ClassC) |
| 2025-09-10 | 99.84.66.44 (ClassC) |
| 2026-01-25 | 3.175.34.42 (ClassC) |
| Date | Domain | IP |
| cdata.vikingcruises.com | 2024-01-09 | 18.161.6.25 |
| 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 |