| Date | IP Address |
| 2019-10-08 | 179.191.187.8 (ClassC) |
| 2019-10-08 | 179.191.179.20 (ClassC) |
| 2019-10-08 | 179.191.188.8 (ClassC) |
| 2019-10-08 | 179.191.189.19 (ClassC) |
| 2019-10-08 | 179.191.185.5 (ClassC) |
| 2019-10-08 | 179.191.186.8 (ClassC) |
| 2020-08-01 | 179.191.183.10 (ClassC) |
| 2020-08-01 | 179.191.177.14 (ClassC) |
| 2020-10-20 | 194.126.175.195 (ClassC) |
| 2021-04-03 | 179.191.178.71 (ClassC) |
| 2025-01-17 | 168.75.64.241 (ClassC) |
| 2025-09-14 | 172.67.218.92 (ClassC) |
| 2026-02-07 | 104.21.17.11 (ClassC) |
| Date | Domain | IP |
| api.sinprors.org.br | 2026-01-02 | 172.67.218.92 |
| premioeducacao.sinprors.org.br | 2024-12-15 | 168.75.64.241 |
| casaprofessor.sinprors.org.br | 2025-10-01 | 172.67.218.92 |
| eventos.sinprors.org.br | 2025-01-17 | 168.75.64.241 |
| www.sinprors.org.br | 2021-07-25 | 179.191.186.8 |