MAC Address Lookup

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

Hella Gutmann Solutions GmbH

Unique prefixes: 4

Block Size: 16789500 (16.78 M)

First registration: 15 March 2012

Last updated: 29 March 2019

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)