| Date | IP Address |
| 2025-10-01 | 16.15.180.138 (ClassC) |
| 2026-02-13 | 52.217.132.101 (ClassC) |
| Date | Domain | IP |
| download.celtx.com | 2014-04-30 | 176.32.97.233 |
| cache.celtx.com | 2023-08-31 | 3.5.28.110 |
| publish.celtx.com | 2026-02-13 | 52.217.132.101 |
| m.celtx.com | 2026-02-05 | 52.0.7.189 |
| cdn.celtx.com | 2024-07-11 | 18.161.6.65 |
| avatar.celtx.com | 2024-05-27 | 52.207.11.220 |
| www.celtx.com | 2025-05-07 | 52.0.7.189 |