| Date | IP Address |
| 2025-01-27 | 64.185.194.33 (ClassC) |
| Date | Domain | IP |
| centros.planillaenlinea.hacienda.gobierno.pr | 2025-01-27 | 64.185.194.8 |
| arra.hacienda.gobierno.pr | 2025-01-15 | 64.185.194.13 |
| federalrecoveryrebate.hacienda.gobierno.pr | 2025-01-27 | 64.185.194.17 |
| planillatrimestralpatronal.hacienda.gobierno.pr | 2025-01-27 | 64.185.194.3 |
| portal.hacienda.gobierno.pr | 2025-01-15 | 64.185.194.9 |
| pel.hacienda.gobierno.pr | 2025-01-14 | 64.185.194.25 |
| mail.hacienda.gobierno.pr | 2025-01-27 | 64.185.194.16 |
| siscon.hacienda.gobierno.pr | 2025-01-15 | 64.185.194.19 |
| planillatraslado.hacienda.gobierno.pr | 2025-01-15 | 64.185.194.9 |
| ivuregistro.hacienda.gobierno.pr | 2025-01-27 | 64.185.194.18 |
| creditos.hacienda.gobierno.pr | 2025-01-27 | 64.185.194.23 |
| hws.hacienda.gobierno.pr | 2025-01-14 | 64.185.194.26 |
| ivu.hacienda.gobierno.pr | 2025-01-27 | 64.185.194.33 |
| registroivu.hacienda.gobierno.pr | 2025-01-15 | 64.185.194.2 |