shenzhen Amos Electronics Co.,Ltd

Any device whose MAC address begins with 74:4F:80 has a network interface built by shenzhen Amos 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

74:4F:80

Organization

shenzhen Amos Electronics Co.,Ltd

Address

1st floor,building 4,zhiheng industrial park,No.15,guankou raod,nanshan district shenzhen Guangdong CN 518052

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.