TAKAOKA TOKO CO.,LTD.

Any device whose MAC address begins with 34:54:3C has a network interface built by TAKAOKA TOKO CO.,LTD.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

34:54:3C

Organization

TAKAOKA TOKO CO.,LTD.

Address

8F,SIA TOYOSU PRIME SQUARE,5-6-36,Toyosu Koto-ku Tokyo JP 1350061

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.