List of the top 20 organizations with the largest IP allocations in Isle of Man
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Manx Telecom Trading Ltd | 80,896 | 235 | 1 | 37 | |
| Greacon Limited | 24,576 | 0 | 1 | 56 | |
| Domicilium (IOM) Limited | 19,968 | 232 | 1 | 17 | |
| 4 | ELITE GROUP.IM LIMITED | 13,312 | 232 | 1 | 11 |
| 5 | TSG Interactive Services Limited | 7,680 | 0 | 2 | 18 |
| 6 | Netcetera Ltd. | 6,400 | 232 | 1 | 11 |
| 7 | BlueWave Communications Limited | 1,024 | 235 | 1 | 2 |
| 8 | Professional Data Management Services Limited | 512 | 0 | 1 | 2 |
| 9 | Plan Communications Limited | 512 | 1.02 x 223 | 1 | 6 |
| 10 | Partitionware Limited | 256 | 232 | 1 | 2 |
| 11 | Hobarton Limited | 256 | 0 | 1 | 1 |
| 12 | Stacuity Limited | 256 | 0 | 1 | 1 |
| 13 | 0 | 0 | 1 | 0 |