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 | 8,479,488 | 1.01 x 243 | 5 | 100 | |
| P4 Sp. z o.o. | 2,464,768 | 1.16 x 237 | 6 | 180 | |
| T-Mobile Polska S.A. | 1,359,616 | 1.13 x 235 | 4 | 53 | |
| 4 | Netia SA | 1,349,640 | 1.05 x 234 | 4 | 237 |
| 5 | VECTRA S.A. | 667,904 | 232 | 1 | 122 |
| 6 | Multimedia Polska Sp. z o.o. | 645,120 | 233 | 3 | 57 |
| 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 - PANSTWOWY INSTYTUT BADAWCZY | 365,568 | 1.5 x 233 | 6 | 31 |
| 10 | Toya sp.z.o.o | 304,384 | 235 | 5 | 21 |
| 11 | TK Telekom sp. z o.o. | 286,720 | 232 | 1 | 9 |
| 12 | Exatel S.A. | 243,976 | 232 | 2 | 27 |
| 13 | Silesian University of Technology, Computer Centre | 211,712 | 234 | 3 | 26 |
| 14 | Nazwa.pl Sp.z.o.o. | 177,152 | 233 | 1 | 98 |
| 15 | INEA sp. z o.o. | 174,080 | 1.25 x 235 | 2 | 29 |
| 16 | Academic Computer Centre CYFRONET AGH | 134,400 | 1.25 x 235 | 2 | 14 |
| 17 | Cyber_Folks S.A. | 128,000 | 217 | 3 | 57 |
| 18 | Centrum Przetwarzania Danych Ministerstwa Finansow | 123,904 | 0 | 1 | 9 |
| 19 | Atman Sp. z o.o. | 98,560 | 1.13 x 235 | 6 | 115 |
| 20 | Technical University of Gdansk, Academic Computer Center TASK | 94,720 | 232 | 2 | 15 |