| Date | IP Address |
| 2019-02-20 | 187.84.225.36 (ClassC) |
| 2019-10-17 | 151.101.1.195 (ClassC) |
| 2019-10-17 | 151.101.65.195 (ClassC) |
| 2019-10-22 | 52.95.164.37 (ClassC) |
| 2019-10-23 | 13.226.15.86 (ClassC) |
| 2019-10-23 | 13.226.15.99 (ClassC) |
| 2019-10-23 | 13.226.15.103 (ClassC) |
| 2019-10-23 | 13.226.15.47 (ClassC) |
| 2019-12-10 | 99.84.167.127 (ClassC) |
| 2019-12-10 | 99.84.167.18 (ClassC) |
| 2019-12-10 | 99.84.167.71 (ClassC) |
| 2019-12-10 | 99.84.167.81 (ClassC) |
| 2020-07-10 | 191.6.192.81 (ClassC) |
| 2020-09-25 | 191.6.218.12 (ClassC) |
| 2021-03-13 | 177.185.193.52 (ClassC) |
| 2022-08-01 | 104.21.38.85 (ClassC) |
| 2022-08-01 | 172.67.220.199 (ClassC) |
| 2022-08-02 | 191.233.203.32 (ClassC) |
| 2023-08-19 | 172.64.80.1 (ClassC) |
| 2024-10-09 | 104.21.12.152 (ClassC) |
| 2024-11-06 | 172.67.132.43 (ClassC) |
| 2025-01-10 | 104.21.64.1 (ClassC) |
| 2025-03-07 | 104.21.16.1 (ClassC) |
| 2025-04-05 | 104.21.48.1 (ClassC) |
| 2025-04-17 | 104.21.32.1 (ClassC) |
| 2025-05-10 | 104.21.112.1 (ClassC) |
| 2026-01-09 | 20.119.16.37 (ClassC) |
| Date | Domain | IP |
| www.class4u.com.br | 2025-03-07 | 104.21.80.1 |