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 | 8,478,208 | 1.01 x 243 | 4 | 94 | |
| Netia SA | 1,991,181 | 1.3 x 234 | 3 | 218 | |
| T-Mobile Polska S.A. | 1,365,760 | 1.13 x 235 | 2 | 53 | |
| 4 | P4 Sp. z o.o. | 827,648 | 234 | 6 | 85 |
| 5 | Multimedia Polska Sp. z o.o. | 635,648 | 233 | 2 | 47 |
| 6 | VECTRA S.A. | 618,496 | 232 | 1 | 112 |
| 7 | NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA INSTYTUT BADAWCZY | 463,105 | 234 | 5 | 33 |
| 8 | Polkomtel Sp. z o.o. | 424,704 | 1.06 x 236 | 2 | 20 |
| 9 | Toya sp.z.o.o | 304,896 | 235 | 6 | 23 |
| 10 | TK Telekom sp. z o.o. | 245,760 | 232 | 1 | 6 |
| 11 | Exatel S.A. | 244,489 | 232 | 2 | 32 |
| 12 | Silesian University of Technology, Computer Centre | 211,968 | 235 | 3 | 28 |
| 13 | home.pl S.A. | 207,872 | 1.13 x 235 | 2 | 22 |
| 14 | INEA sp. z o.o. | 183,552 | 1.5 x 233 | 3 | 29 |
| 15 | Nazwa.pl Sp.z.o.o. | 170,752 | 1.5 x 233 | 1 | 75 |
| 16 | Academic Computer Centre CYFRONET AGH | 134,400 | 1.25 x 235 | 2 | 14 |
| 17 | Cyber_Folks S.A. | 133,632 | 1.5 x 217 | 6 | 65 |
| 18 | Centrum Przetwarzania Danych Ministerstwa Finansow | 132,096 | 0 | 1 | 10 |
| 19 | DOLSAT sp. z o.o. | 130,304 | 0 | 1 | 254 |
| 20 | Atman Sp. z o.o. | 100,608 | 1.13 x 235 | 6 | 125 |