MAC Address Lookup

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

 MAC

ESYSE GmbH Embedded Systems Engineering

Unique prefixes: 2

Block Size: 16781310 (16.78 M)

First registration: 24 October 2018

Last updated: 18 May 2021

Types

MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)

MAC PrefixTypeRegistration Date
20:41:81MA-L2021-05-18
70:B3:D5:00:8MA-S2018-10-24