| Date | IP Address |
| 2014-09-23 | 187.45.193.169 (ClassC) |
| 2015-03-06 | 208.112.25.104 (ClassC) |
| 2016-04-06 | 169.55.36.89 (ClassC) |
| 2018-07-17 | 169.53.237.122 (ClassC) |
| 2019-07-15 | 104.25.230.26 (ClassC) |
| 2019-07-15 | 104.25.231.26 (ClassC) |
| 2019-08-01 | 104.248.6.180 (ClassC) |
| 2019-08-20 | 104.26.7.149 (ClassC) |
| 2019-08-20 | 104.26.6.149 (ClassC) |
| 2019-12-11 | 104.26.0.147 (ClassC) |
| 2019-12-11 | 104.26.1.147 (ClassC) |
| 2020-06-08 | 104.24.98.60 (ClassC) |
| 2020-06-08 | 104.24.99.60 (ClassC) |
| 2024-02-24 | 20.119.230.74 (ClassC) |
| 2025-10-04 | 104.21.50.197 (ClassC) |
| 2026-02-12 | 172.67.210.10 (ClassC) |
| Date | Domain | IP |
| desenv.institutodeengenharia.org.br | 2025-06-11 | 172.67.210.10 |