MAC Address Lookup

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


Promess GmbH

Unique prefixes: 2

Block Size: 1052670 (1.05 M)

First registration: 21 February 2011

Last updated: 24 October 2018


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