List of the top 20 organizations with the largest IP allocations in Guyana
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Guyana Telephone & Telegraph Co. | 93,696 | 1.01 x 232 | 1 | 99 | |
| E-Networks Inc. | 10,240 | 232 | 1 | 17 | |
| U Mobile (Cellular) Inc. | 3,328 | 1.02 x 232 | 1 | 14 | |
| 4 | EGOVERNMENT UNIT | 2,048 | 232 | 1 | 4 |
| 5 | XEN1 NETWORKS INC | 256 | 0 | 1 | 1 |
| 6 | University of Guyana | 0 | 0 | 1 | 0 |
| 7 | CRIMSON DATA TECHNOLOGIES | 0 | 0 | 1 | 0 |
| 8 | Atlantic Wireless Network Inc. | 0 | 0 | 1 | 0 |