List of the top 20 organizations with the largest IP allocations in Zambia
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Zain Zambia PLC | 1,577,984 | 0 | 1 | 51 | |
| Zambia Telecommunications Company Ltd aka ZAMTEL | 559,616 | 232 | 1 | 73 | |
| Zambia Research and Education Network (ZAMREN) | 163,840 | 1.5 x 232 | 1 | 8 | |
| 4 | MTN Zambia | 25,856 | 0 | 1 | 54 |
| 5 | Zamnet | 18,176 | 0 | 1 | 23 |
| 6 | AfriConnect Zambia Ltd | 15,616 | 232 | 1 | 6 |
| 7 | Hai Telecommunications Limited | 9,984 | 0 | 1 | 10 |
| 8 | iSAT Africa Zambia Ltd | 3,072 | 0 | 1 | 6 |
| 9 | INFRATEL CORPORATION LIMITED | 1,280 | 0 | 1 | 5 |
| 10 | AirLink Broadband Limited | 1,024 | 232 | 1 | 5 |
| 11 | Fibrecom Limited | 1,024 | 0 | 1 | 1 |
| 12 | CITY CHANNELS CABLE NETWORK ZAMBIA LIMITED | 512 | 0 | 1 | 2 |
| 13 | Zambia Revenue Authority | 512 | 0 | 1 | 2 |
| 14 | BEELINE TELECOMS LIMITED | 512 | 0 | 1 | 2 |
| 15 | Zambia Information and communication Technology Authority | 256 | 0 | 1 | 1 |
| 16 | Lusaka Internet Exchange point | 256 | 0 | 1 | 1 |
| 17 | Bank of Zambia | 256 | 0 | 1 | 1 |
| 18 | NetOne Data Ltd | 256 | 0 | 1 | 1 |
| 19 | 0 | 0 | 3 | 0 |