PSTec

Any device whose MAC address begins with B8:C2:27 has a network interface built by PSTec. 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:C2:27

Organization

PSTec

Address

#80, Hwanggeum 3-ro 7beon-gil, Yangchon-eup Gimpo-si Gyeonggi-do KR 10048

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.