Tremol Ltd.

Any device whose MAC address begins with 40:0E:67 has a network interface built by Tremol Ltd.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

40:0E:67

Organization

Tremol Ltd.

Address

6 Toledo str. Veliko Turnovo BG 5000

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.