MTL Instruments PLC

Any device whose MAC address begins with 00:09:0B has a network interface built by MTL Instruments PLC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:09:0B

Organization

MTL Instruments PLC

Address

Power Court Luton Bedfordshire GB LU1 3JJ

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.