MICHELS & KLEBERHOFF COMPUTER

Any device whose MAC address begins with 00:40:86 has a network interface built by MICHELS & KLEBERHOFF COMPUTER. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:40:86

Organization

MICHELS & KLEBERHOFF COMPUTER

Address

GATHE 117 DE

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.