MAC Address Lookup

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

Thermo Fisher Scientific

Unique prefixes: 5

Block Size: 16793595 (16.79 M)

First registration: 22 October 2007

Last updated: 18 April 2017

Types

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

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)