| Date | IP Address |
| 2025-02-21 | 18.164.124.12 (ClassC) |
| 2025-02-28 | 18.165.116.53 (ClassC) |
| 2025-05-08 | 108.156.224.20 (ClassC) |
| 2025-06-10 | 18.165.83.20 (ClassC) |
| 2025-06-14 | 204.246.191.21 (ClassC) |
| 2025-08-13 | 18.161.6.91 (ClassC) |
| 2026-02-13 | 18.161.6.55 (ClassC) |
| Date | Domain | IP |
| p13.registrocivil.org.br | 2025-07-19 | 54.207.171.99 |
| sistema.registrocivil.org.br | 2024-09-10 | 54.233.105.167 |
| api-rc.registrocivil.org.br | 2025-10-22 | 18.231.71.93 |
| home.registrocivil.org.br | 2025-08-28 | 99.84.66.62 |
| sistemah.registrocivil.org.br | 2025-10-10 | 18.228.130.34 |
| appregistrocivil.registrocivil.org.br | 2025-10-22 | 18.231.71.93 |
| certidao.registrocivil.org.br | 2025-06-14 | 204.246.191.21 |
| rbrcev.registrocivil.org.br | 2025-08-29 | 52.67.254.159 |
| www.registrocivil.org.br | 2023-11-01 | 18.229.183.145 |