Nilan A/S

Any device whose MAC address begins with AC:3C:B4 has a network interface built by Nilan 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

AC:3C:B4

Organization

Nilan A/S

Address

Nilanvej 2 Hedensted Vejle amt DK 8722

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.