Greenlee

Any device whose MAC address begins with 50:64:41 has a network interface built by Greenlee. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

50:64:41

Organization

Greenlee

Address

219 S Main St Dallas TX US 76104

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.