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 | 8,473,408 | 243 | 5 | 109 | |
| Netia SA | 1,669,292 | 233 | 3 | 96 | |
| Polkomtel Sp. z o.o. | 1,424,128 | 236 | 2 | 31 | |
| 4 | P4 Sp. z o.o. | 713,984 | 232 | 3 | 28 |
| 5 | T-Mobile Polska S.A. | 680,448 | 0 | 1 | 9 |
| 6 | Multimedia Polska Sp. z o.o. | 635,392 | 0 | 3 | 45 |
| 7 | VECTRA S.A. | 557,568 | 233 | 1 | 141 |
| 8 | NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA INSTYTUT BADAWCZY | 428,041 | 234 | 4 | 31 |
| 9 | Internetia Sp.z o.o. | 293,632 | 1.09 x 233 | 1 | 108 |
| 10 | TK Telekom sp. z o.o. | 245,760 | 232 | 1 | 6 |
| 11 | Exatel S.A. | 244,741 | 232 | 2 | 30 |
| 12 | Silesian University of Technology, Computer Centre | 210,688 | 235 | 3 | 27 |
| 13 | INEA S.A. | 208,896 | 1.38 x 235 | 5 | 36 |
| 14 | home.pl S.A. | 205,824 | 1.13 x 235 | 1 | 14 |
| 15 | Nazwa.pl Sp.z.o.o. | 203,008 | 232 | 1 | 63 |
| 16 | Toya sp.z.o.o | 168,704 | 235 | 3 | 13 |
| 17 | Centrum Przetwarzania Danych Ministerstwa Finansow | 156,672 | 0 | 1 | 10 |
| 18 | Academic Computer Centre CYFRONET AGH | 134,144 | 1.25 x 235 | 2 | 13 |
| 19 | DOLSAT sp. z o.o. | 130,304 | 0 | 1 | 254 |
| 20 | 3S S.A. | 115,405 | 233 | 4 | 73 |