AS203821
IT4 Polska Sp. z o.o.
AS 203821 IT4-POLSKA
Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.
| ASN | 203821 |
|---|---|
| Name | IT4-POLSKA |
| Organization | IT4 Polska Sp. z o.o. |
| Country | Poland |
| Registry | RIPE NCC |
IPv4 Prefixes for AS203821
| Network | Location | Addresses | |
|---|---|---|---|
| 217.28.134.0/24 | IT4 Polska Sp. z o.o. |  Wyszków |
256 |
| 91.207.184.0/24 | IT4 Polska | Tłuszcz |
256 |
| 91.207.185.0/24 | IT4 Polska | Wyszków |
256 |