Micro-Star International

Any device whose MAC address begins with 00:11:09 has a network interface built by Micro-Star International. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:11:09

Organization

Micro-Star International

Address

No 69, Li-De Street, Jung-He City, Taipei TW

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.