List of the top 20 organizations with the largest IP allocations in Estonia
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Telia Eesti AS | 612,096 | 234 | 2 | 38 | |
| Elisa Eesti AS | 170,240 | 1.13 x 235 | 1 | 18 | |
| AS INFONET | 150,785 | 232 | 1 | 44 | |
| 4 | Haridus- ja Noorteamet | 66,560 | 232 | 1 | 3 |
| 5 | P.A.G.M. OU | 51,459 | 1.5 x 217 | 1 | 117 |
| 6 | AS STV | 47,104 | 232 | 1 | 13 |
| 7 | Playtech Estonia OU | 23,296 | 232 | 1 | 93 |
| 8 | Information System Authority | 19,456 | 233 | 2 | 6 |
| 9 | Telset ltd | 16,384 | 0 | 1 | 4 |
| 10 | Aktsiaselts WaveCom | 13,313 | 232 | 1 | 14 |
| 11 | EstNOC OY | 12,288 | 1.02 x 224 | 1 | 54 |
| 12 | Fill Ltd. | 10,240 | 0 | 1 | 3 |
| 13 | 8,192 | 0 | 1 | 4 | |
| 14 | Zone Media OU | 7,680 | 232 | 1 | 9 |
| 15 | Compic OU | 7,168 | 232 | 1 | 4 |
| 16 | TOP CONNECT OU | 5,120 | 0 | 1 | 11 |
| 17 | AS Tallink Grupp | 5,120 | 0 | 1 | 5 |
| 18 | BlueVPS OU | 4,864 | 1.25 x 219 | 1 | 29 |
| 19 | Server Farm LLC | 4,864 | 0 | 1 | 10 |
| 20 | PINVDS OU | 4,608 | 216 | 1 | 6 |