N3com

Any device whose MAC address begins with 18:5D:6F has a network interface built by N3com. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

18:5D:6F

Organization

N3com

Address

18/5 Prospekt Andropova, room 13/9 Moscow RU 115432

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.