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. | 99,072 | 1.01 x 232 | 1 | 103 | |
| E-Networks Inc. | 7,680 | 232 | 1 | 11 | |
| U Mobile (Cellular) Inc. | 2,304 | 1.02 x 232 | 1 | 11 | |
| 4 | EGOVERNMENT UNIT | 2,048 | 232 | 1 | 4 |
| 5 | XEN1 NETWORKS INC | 512 | 0 | 1 | 2 |
| 6 | University of Guyana | 0 | 0 | 1 | 0 |
| 7 | Atlantic Wireless Network Inc. | 0 | 0 | 1 | 0 |