List of the top 20 organizations with the largest IP allocations in Mauritania
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Mauritanian Telecommunication Company | 36,864 | 232 | 1 | 34 | |
| Chinguitel S.A | 30,464 | 232 | 1 | 51 | |
| MATTEL | 4,864 | 232 | 1 | 24 | |
| 4 | RIMATEL-SA | 3,072 | 0 | 1 | 12 |
| 5 | NETCOM sa | 1,024 | 0 | 1 | 4 |
| 6 | Computer Sales & Services (C.S.S-SA) | 256 | 0 | 1 | 1 |
| 7 | PATRIE NETWORK- PATRIE-NET- SA | 256 | 0 | 1 | 1 |