Shanghai Howell Electronic Co.,Ltd

Any device whose MAC address begins with F4:38:14 has a network interface built by Shanghai Howell Electronic 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

F4:38:14

Organization

Shanghai Howell Electronic Co.,Ltd

Address

5-5/F, Bldg.1, No.788 Fengzhen Rd., Shanghai CN 200434

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.