Xcellen

Any device whose MAC address begins with F0:77:D0 has a network interface built by Xcellen. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

F0:77:D0

Organization

Xcellen

Address

15F KINS Tower 25-1,Jeongja-dong,Bungdang-gu, Seongnam Gyeonggi KR 463811

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.