MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

 MAC

POSNET Polska S.A.

Unique prefixes: 2

Block Size: 1052670 (1.05 M)

First registration: 21 February 2011

Last updated: 24 October 2018

Types

IAB: Individual Address Blocks. Number of address 2^24 (~16 Million)

MA-M: Mac Address Block Medium. Number of address 2^20 (~1 Million)

MAC PrefixTypeRegistration Date
00:50:C2:5F:3IAB2011-02-21
D4:25:CC:CMA-M2018-10-24