| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| FLOW | 202,240 | 229 | 1 | 206 | |
| Digicel Jamaica | 100,352 | 232 | 1 | 131 | |
| Cable & Wireless Jamaica | 19,456 | 01 | 1 | 61 | |
| 4 | University of the West Indies | 3,072 | 0 | 1 | 12 |
| 5 | Island Networks Ltd | 2,304 | 0 | 1 | 6 |
| 6 | eGov Jamaica Limited | 2,048 | 0 | 1 | 8 |
| 7 | Hometime | 256 | 0 | 1 | 1 |
| 8 | University of Technology, Jamaica | 256 | 0 | 1 | 1 |