SYSPOL

Any device whose MAC address begins with 00:08:B4 has a network interface built by SYSPOL. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:08:B4

Organization

SYSPOL

Address

4th Fl,SYSPOL B/D, Bangbae 4 Dong, Seoch Seoul US 137-064

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.