MAC Address Lookup

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


Steffens Systems GmbH

OUI: B0:1F:81:A

Vendor name: Steffens Systems GmbH


Mathias-Brüggenstr. 83
Cologne NRW 50829

Assignment Type MA-M

Mac Address Block Medium. Number of address 2^20 (~1 Million)

Initial registration: 05 February 2016

MAC Address Vendor Country DE map