SHENZHEN GIEC DIGITAL CO.,LTD

Any device whose MAC address begins with 54:78:85 has a network interface built by SHENZHEN GIEC DIGITAL CO.,LTD. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

54:78:85

Organization

SHENZHEN GIEC DIGITAL CO.,LTD

Address

1st&3rd Building,No.26 Puzai Road, Pingdi, Longgang SHENZHEN Guanggong CN 518117

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.