| Date | IP Address |
| 2024-06-11 | 3.19.203.253 (ClassC) |
| 2024-10-05 | 18.217.163.126 (ClassC) |
| 2025-01-06 | 18.118.71.92 (ClassC) |
| 2025-02-13 | 18.190.12.119 (ClassC) |
| 2025-05-09 | 18.224.205.211 (ClassC) |
| 2025-07-31 | 52.14.95.125 (ClassC) |
| Date | Domain | IP |
| api.personalize.dev.hyatt.global | 2024-06-11 | 3.139.248.247 |
| api.bff.dev.hyatt.global | 2024-06-11 | 18.216.45.84 |
| api.notification.dev.hyatt.global | 2024-06-09 | 3.18.195.105 |
| api.marketing-emails.dev.hyatt.global | 2024-06-11 | 3.19.203.253 |
| api.journey.dev.hyatt.global | 2024-06-11 | 3.130.56.122 |