lignex1

Any device whose MAC address begins with B8:57:76 has a network interface built by lignex1. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B8:57:76

Organization

lignex1

Address

354-25, Sanhodae-ro Gumi-si Gyeongsangbuk-do, Korea KR 39262

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.