MAC Address Lookup

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


Guntermann & Drunck GmbH

OUI prefix: 00:0F:F4

Vendor name: Guntermann & Drunck GmbH


Obere Leimbach 9
Siegen NRW 57074

Assignment Type MA-L

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

Last updated: 07 January 2017

Initial registration: 03 April 2004

MAC Address Vendor Country DE map