| Date | IP Address |
| 2019-05-27 | 35.158.2.73 (ClassC) |
| 2019-05-28 | 35.158.0.72 (ClassC) |
| 2019-07-17 | 52.29.73.133 (ClassC) |
| 2019-12-13 | 52.58.30.129 (ClassC) |
| 2021-09-10 | 3.122.85.233 (ClassC) |
| 2024-04-29 | 18.197.6.64 (ClassC) |
| 2024-06-09 | 18.198.33.251 (ClassC) |
| 2024-08-10 | 35.159.47.53 (ClassC) |
| 2025-01-18 | 3.72.202.151 (ClassC) |
| 2025-09-07 | 172.66.0.145 (ClassC) |
| 2026-03-03 | 162.159.140.147 (ClassC) |
| Date | Domain | IP |
| support.celcat.com | 2024-04-26 | 35.157.137.236 |
| www.celcat.com | 2026-02-19 | 185.53.56.90 |
| consultancy.celcat.com | 2024-04-29 | 18.197.6.64 |