| Date | IP Address |
| 2019-03-22 | 142.93.76.6 (ClassC) |
| 2021-03-18 | 8.26.219.7 (ClassC) |
| 2022-05-12 | 207.120.32.171 (ClassC) |
| 2022-05-13 | 207.120.32.169 (ClassC) |
| 2026-01-20 | 104.18.2.26 (ClassC) |
| Date | Domain | IP |
| at1-rguest-ntp-1.rguest.com | 2025-05-24 | 199.33.128.50 |
| book.rguest.com | 2019-10-10 | 104.42.156.242 |
| core-gcm-ui-prod-westus.rguest.com | 2020-08-11 | 40.112.243.2 |
| v1-tenantmanagementui-prod-westus.rguest.com | 2025-05-13 | 20.228.101.179 |
| support.rguest.com | 2026-01-20 | 104.18.2.26 |
| wbe-croml-dev.rguest.com | 2020-09-14 | 40.64.128.224 |
| www.rguest.com | 2025-05-26 | 40.112.151.191 |