| 6057 | Administracion Nacional de Telecomunicaciones |
| 7167 | Administracion Nacional de Telecomunicaciones |
| 267718 | Administracion Nacional de Telecomunicaciones |
| 27750 | Cooperacion Latino Americana de Redes Avanzadas |
| 18579 | Dalinco |
| 17255 | Diveo Uruguay |
| 273181 | Equital SA |
| 266886 | HOSTING EN LA WEB S.A.S. |
| 27848 | Internet Systems Consortium |
| 27859 | Internet Systems Consortium |
| 27913 | Internet Systems Consortium |
| 27916 | Internet Systems Consortium |
| 28054 | Internet Systems Consortium |
| 52243 | Internet Systems Consortium |
| 52289 | Internet Systems Consortium |
| 61447 | Internet Systems Consortium |
| 273892 | JORGE CANO PUENTE |
| 28000 | LACNIC - Latin American and Caribbean IP address |
| 28001 | LACNIC - Latin American and Caribbean IP address |
| 28002 | LACNIC - Latin American and Caribbean IP address |
| 28119 | LACNIC - Latin American and Caribbean IP address |
| 52224 | LACNIC - Latin American and Caribbean IP address |
| 264845 | LACNIC - Latin American and Caribbean IP address |
| 264846 | LACNIC - Latin American and Caribbean IP address |
| 61455 | LACTLD - LATIN AMERICAN AND CARIBBEAN TLD ASSOCIATION |
| 52241 | Lunamen S.A. |
| 52366 | Lunamen S.A. |
| 273047 | MARTINEZ CAGNAZZO CARLOS MARCELO LACNIC Labs |
| 273004 | MONTE CABLEVIDEO S A |
| 64135 | Ni Co |
| 64136 | Ni Co |
| 52266 | OWNER PARA PRUEBAS DE LACNIC |
| 61442 | PASWER INTERNATIONAL S.A. |
| 273115 | PRAIAMAR SA |
| 273012 | RISELCO SOCIEDAD ANONIMA |
| 264665 | Servicio Central de Informatica - UdelaR ccTLD .uy |
| 20255 | Tecnowind S.A. |
| 16772 | Telefonica Data Uruguay |
| 19422 | Telefonica Moviles del Uruguay SA |
| 273854 | TELEMAS SOCIEDAD ANONIMA |
| 20002 | Telstar S.A. |
| 274012 | TIME TOWER S.A. |
| 273002 | TRACTORAL SOCIEDAD ANONIMA |
| 1797 | Uruguay |
| 273105 | VCR VIDEO CABLE RIVERA S.A. |
| 18667 | Web2mil S.A |
| 14234 | ZONAMERICA |