| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Administracion Nacional de Telecomunicaciones | 5,624,576 | 1.88 x 236 | 3 | 600 | |
| Telefonica Moviles del Uruguay SA | 189,952 | 232 | 1 | 44 | |
| Tecnowind S.A. | 90,624 | 232 | 1 | 107 | |
| 4 | Uruguay | 65,536 | 232 | 1 | 2 |
| 5 | ZONAMERICA | 19,456 | 0 | 1 | 48 |
| 6 | LACNIC - Latin American and Caribbean IP address | 8,704 | 1.81 x 220 | 7 | 30 |
| 7 | Telstar S.A. | 8,192 | 232 | 1 | 16 |
| 8 | Lunamen S.A. | 4,096 | 0 | 2 | 15 |
| 9 | Web2mil S.A | 2,816 | 0 | 1 | 4 |
| 10 | Cooperación Latino Americana de Redes Avanzadas | 2,048 | 232 | 1 | 3 |
| 11 | Servicio Central de Informatica - UdelaR (ccTLD .uy) | 2,048 | 228 | 1 | 2 |
| 12 | PASWER INTERNATIONAL S.A. | 1,536 | 0 | 1 | 6 |
| 13 | TELEMAS SOCIEDAD ANONIMA | 1,024 | 224 | 1 | 2 |
| 14 | HOSTING EN LA WEB S.A.S. | 512 | 232 | 1 | 3 |
| 15 | RISELCO SOCIEDAD ANONIMA | 256 | 218 | 1 | 5 |
| 16 | MONTE CABLEVIDEO S A | 256 | 218 | 1 | 5 |
| 17 | TRACTORAL SOCIEDAD ANONIMA | 256 | 219 | 1 | 9 |
| 18 | LACTLD - LATIN AMERICAN AND CARIBBEAN TLD ASSOCIATION | 256 | 216 | 1 | 2 |
| 19 | VCR VIDEO CABLE RIVERA S.A. | 256 | 232 | 1 | 2 |
| 20 | TIME TOWER S.A. | 0 | 0 | 1 | 0 |