Logical Link Communications

Any device whose MAC address begins with 00:1A:43 has a network interface built by Logical Link Communications. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1A:43

Organization

Logical Link Communications

Address

1909 Central Drive Suite 205 Bedford TX US 76021

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.