TRON LINK ELECTRONICS CO., LTD.

Any device whose MAC address begins with E4:A5:EF has a network interface built by TRON LINK ELECTRONICS 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

E4:A5:EF

Organization

TRON LINK ELECTRONICS CO., LTD.

Address

FLAT A, 20/F., BLOCK 4,ON NING GARDEN, KOWLOON HK 999077

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.