Helvetia INC.

Any device whose MAC address begins with B0:1F:29 has a network interface built by Helvetia INC.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B0:1F:29

Organization

Helvetia INC.

Address

8-11 tokaichi-nishimachi, kitaku Okayama okayama JP 7000856

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.