Kihoku Electronic Co.

Any device whose MAC address begins with 00:0B:B8 has a network interface built by Kihoku Electronic Co.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0B:B8

Organization

Kihoku Electronic Co.

Address

Marukatubiru 3F 4-9-6 Osakashi Osaka-hu JP 556-0005

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.