| Date | IP Address |
| 2020-03-15 | 23.66.83.167 (ClassC) |
| 2024-03-12 | 92.123.202.29 (ClassC) |
| 2025-07-03 | 23.195.227.10 (ClassC) |
| 2025-09-07 | 23.198.145.197 (ClassC) |
| 2025-09-13 | 184.25.62.114 (ClassC) |
| 2025-11-23 | 23.6.98.192 (ClassC) |
| Date | Domain | IP |
| l.mail.centr.com | 2024-12-23 | 13.107.253.70 |
| image.email.centr.com | 2024-03-12 | 92.123.202.29 |
| click.email.centr.com | 2025-09-13 | 13.111.18.12 |
| cdn.centr.com | 2024-02-19 | 23.46.17.15 |
| web-cdn.centr.com | 2024-03-09 | 23.46.17.35 |
| cast-cdn.centr.com | 2025-07-03 | 13.107.253.70 |
| www.centr.com | 2023-11-02 | 104.96.163.211 |