List of the top 20 organizations with the largest IP allocations in Poland
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Orange Polska Spolka Akcyjna | 8,479,232 | 1.01 x 243 | 6 | 99 | |
| P4 Sp. z o.o. | 2,465,280 | 1.16 x 237 | 7 | 181 | |
| T-Mobile Polska S.A. | 1,359,616 | 1.13 x 235 | 4 | 53 | |
| 4 | Netia SA | 1,345,806 | 1.05 x 234 | 5 | 220 |
| 5 | VECTRA S.A. | 669,696 | 232 | 1 | 173 |
| 6 | Multimedia Polska Sp. z o.o. | 635,648 | 233 | 2 | 47 |
| 7 | Polkomtel Sp. z o.o. | 424,704 | 1.06 x 236 | 2 | 20 |
| 8 | home.pl S.A. | 410,368 | 1.13 x 235 | 2 | 27 |
| 9 | NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA INSTYTUT BADAWCZY | 379,137 | 1.5 x 233 | 3 | 23 |
| 10 | Toya sp.z.o.o | 304,896 | 235 | 6 | 23 |
| 11 | TK Telekom sp. z o.o. | 286,720 | 232 | 1 | 9 |
| 12 | Exatel S.A. | 243,721 | 232 | 2 | 27 |
| 13 | Silesian University of Technology, Computer Centre | 211,712 | 235 | 3 | 27 |
| 14 | Nazwa.pl Sp.z.o.o. | 177,152 | 233 | 1 | 98 |
| 15 | INEA sp. z o.o. | 173,061 | 233 | 2 | 32 |
| 16 | Centrum Przetwarzania Danych Ministerstwa Finansow | 156,672 | 0 | 1 | 10 |
| 17 | Academic Computer Centre CYFRONET AGH | 134,400 | 1.25 x 235 | 2 | 14 |
| 18 | Cyber_Folks S.A. | 132,096 | 1.5 x 217 | 6 | 62 |
| 19 | Sileman Sp. z o.o. | 100,352 | 232 | 1 | 36 |
| 20 | Atman Sp. z o.o. | 99,328 | 1.13 x 235 | 6 | 119 |