| Date | IP Address |
| 2019-02-13 | 54.86.240.107 (ClassC) |
| 2024-09-04 | 44.217.244.214 (ClassC) |
| 2024-11-20 | 52.200.220.0 (ClassC) |
| Date | Domain | IP |
| s3.staging.holrback.com | 2023-11-24 | 99.84.71.2 |
| api.holrback.com | 2024-09-04 | 44.217.244.214 |
| cms.holrback.com | 2024-09-02 | 52.5.13.100 |
| www.holrback.com | 2023-11-24 | 184.106.55.86 |