| Date | IP Address |
| 2019-08-06 | 52.84.141.28 (ClassC) |
| 2019-08-09 | 52.84.134.52 (ClassC) |
| 2019-09-05 | 99.86.115.70 (ClassC) |
| 2019-09-12 | 13.225.224.103 (ClassC) |
| 2019-09-12 | 13.225.224.128 (ClassC) |
| 2019-09-12 | 13.225.224.64 (ClassC) |
| 2019-11-08 | 54.192.50.127 (ClassC) |
| 2019-11-08 | 54.192.50.250 (ClassC) |
| 2020-02-06 | 143.204.160.102 (ClassC) |
| 2020-02-06 | 143.204.160.114 (ClassC) |
| 2020-02-17 | 13.33.255.58 (ClassC) |
| 2020-04-16 | 13.33.87.103 (ClassC) |
| 2020-04-26 | 143.204.35.20 (ClassC) |
| 2020-05-10 | 143.204.142.19 (ClassC) |
| 2020-08-31 | 13.249.12.77 (ClassC) |
| 2020-09-29 | 13.33.234.77 (ClassC) |
| 2020-10-12 | 13.226.159.17 (ClassC) |
| 2020-10-19 | 143.204.0.10 (ClassC) |
| 2024-07-31 | 18.155.202.11 (ClassC) |
| 2024-08-18 | 3.163.189.4 (ClassC) |
| 2024-10-04 | 18.161.6.29 (ClassC) |
| 2024-11-12 | 18.161.6.83 (ClassC) |
| 2024-12-18 | 3.163.189.64 (ClassC) |
| 2024-12-22 | 3.163.189.7 (ClassC) |
| 2025-03-16 | 18.161.6.114 (ClassC) |
| 2025-04-06 | 18.161.6.63 (ClassC) |
| 2025-04-25 | 3.175.34.12 (ClassC) |
| 2025-06-03 | 18.165.53.128 (ClassC) |
| 2025-07-17 | 3.175.34.15 (ClassC) |
| 2025-08-02 | 3.175.34.50 (ClassC) |
| Date | Domain | IP |
| chef.vikingrivercruises.com | 2024-12-27 | 3.163.189.91 |
| omni.vikingrivercruises.com | 2014-05-09 | 66.235.138.226 |
| email.vikingrivercruises.com | 2024-10-02 | 23.55.167.24 |
| www.vikingrivercruises.com | 2024-07-31 | 18.155.202.11 |
| gateway.vikingrivercruises.com | 2024-11-24 | 54.215.202.200 |