List of the top 20 organizations with the largest IP allocations in Colombia
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| COMCEL S.A. | 5,248,000 | 1.07 x 226 | 1 | 269 | |
| COLOMBIA TELECOMUNICACIONES S.A. ESP | 3,846,656 | 1.07 x 232 | 3 | 1,315 | |
| Telmex Colombia S.A. | 3,421,952 | 1.73 x 234 | 4 | 3,967 | |
| 4 | EPM Telecomunicaciones S.A. E.S.P. | 2,873,600 | 1.56 x 236 | 6 | 79 |
| 5 | ETB - Colombia | 2,064,896 | 1.51 x 234 | 1 | 791 |
| 6 | Colombia Móvil | 1,585,152 | 232 | 1 | 10 |
| 7 | INTERNEXA S.A. E.S.P | 204,032 | 233 | 1 | 125 |
| 8 | EMPRESAS MUNICIPALES DE CALI E.I.C.E. E.S.P. | 200,448 | 232 | 1 | 72 |
| 9 | TV AZTECA SUCURSAL COLOMBIA | 174,080 | 1.76 x 235 | 1 | 392 |
| 10 | EDATEL S.A. E.S.P | 164,864 | 232 | 1 | 13 |
| 11 | TELEBUCARAMANGA S.A. E.S.P. | 154,368 | 0 | 1 | 277 |
| 12 | AVANTEL SAS | 69,888 | 216 | 1 | 46 |
| 13 | PARTNERS TELECOM COLOMBIA SAS | 66,560 | 1.06 x 222 | 1 | 28 |
| 14 | University de Los Andes | 65,536 | 232 | 1 | 2 |
| 15 | Universidad Nacional de Colombia | 62,720 | 1.13 x 230 | 1 | 56 |
| 16 | Metrotel SA ESP | 49,920 | 0 | 1 | 195 |
| 17 | GTD COLOMBIA S.A.S | 49,920 | 232 | 1 | 83 |
| 18 | COLUMBUS NETWORKS COLOMBIA | 47,104 | 232 | 1 | 283 |
| 19 | Media Commerce Partners S.A | 45,824 | 1.65 x 233 | 1 | 202 |
| 20 | SYNAPSIS COLOMBIA SAS | 40,704 | 233 | 2 | 84 |