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. | 5,256,704 | 1.09 x 228 | 1 | 1,404 | |
| COLOMBIA TELECOMUNICACIONES S.A. ESP | 4,178,688 | 1.08 x 232 | 2 | 1,383 | |
| EPM Telecomunicaciones S.A. E.S.P. | 3,800,064 | 1.11 x 237 | 6 | 98 | |
| 4 | Telmex Colombia S.A. | 3,453,440 | 1.03 x 235 | 4 | 4,368 |
| 5 | Colombia Móvil | 3,354,624 | 1.5 x 232 | 1 | 21 |
| 6 | ETB - Colombia | 2,588,672 | 1.51 x 234 | 1 | 1,351 |
| 7 | INTERNEXA S.A. E.S.P | 353,280 | 1.13 x 232 | 1 | 310 |
| 8 | PARTNERS TELECOM COLOMBIA SAS | 273,408 | 1.06 x 222 | 1 | 129 |
| 9 | TV AZTECA SUCURSAL COLOMBIA | 155,136 | 1.27 x 234 | 1 | 489 |
| 10 | Metrotel SA ESP | 120,320 | 232 | 1 | 96 |
| 11 | EMPRESAS MUNICIPALES DE CALI E.I.C.E. E.S.P. | 90,112 | 232 | 1 | 60 |
| 12 | TELEBUCARAMANGA S.A. E.S.P. | 80,128 | 0 | 1 | 132 |
| 13 | GTD COLOMBIA S.A.S | 77,312 | 232 | 1 | 72 |
| 14 | COLUMBUS NETWORKS COLOMBIA | 71,168 | 1.5 x 233 | 1 | 266 |
| 15 | University de Los Andes | 65,792 | 0 | 1 | 2 |
| 16 | Universidad Nacional de Colombia | 48,896 | 1.69 x 230 | 1 | 39 |
| 17 | Media Commerce Partners S.A | 47,616 | 1.31 x 232 | 1 | 221 |
| 18 | EDGEUNO S.A.S | 43,008 | 1.01 x 232 | 3 | 211 |
| 19 | SYNAPSIS COLOMBIA SAS | 40,448 | 233 | 2 | 84 |
| 20 | UNE EPM TELECOMUNICACIONES S.A. | 24,576 | 1.5 x 229 | 1 | 7 |