Danfoss Drives A/S

Any device whose MAC address begins with 00:1B:08 has a network interface built by Danfoss Drives A/S. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1B:08

Organization

Danfoss Drives A/S

Address

Ulsnaes 1 Graasten 6300 DK

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.