| Date | IP Address |
| 2022-10-05 | 184.26.90.97 (ClassC) |
| 2026-01-23 | 23.46.228.173 (ClassC) |
| 2026-02-21 | 23.46.17.61 (ClassC) |
| Date | Domain | IP |
| rhtapps-cca.preprod.redhat.com | 2023-08-25 | 23.34.172.201 |
| sysadmin.preprod.redhat.com | 2025-07-05 | 100.28.104.175 |
| origin-sysadmin.preprod.redhat.com | 2025-12-25 | 23.185.0.3 |
| ocsp.preprod.redhat.com | 2023-08-25 | 184.28.93.81 |
| cdn.flatpaks.preprod.redhat.com | 2026-01-23 | 23.46.228.173 |
| rhtapps.preprod.redhat.com | 2025-04-24 | 23.46.228.171 |
| api.developers.preprod.redhat.com | 2024-09-03 | 23.54.19.98 |
| rhcert.connect.preprod.redhat.com | 2024-10-11 | 23.46.17.8 |
| architect.preprod.redhat.com | 2025-06-14 | 18.185.24.46 |
| origin-architect.preprod.redhat.com | 2025-12-16 | 23.185.0.4 |
| www.preprod.redhat.com | 2024-08-24 | 23.44.175.179 |