FLEXTRONICS

Any device whose MAC address begins with 28:38:5C has a network interface built by FLEXTRONICS. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

28:38:5C

Organization

FLEXTRONICS

Address

Carretera Base Aerea 5850 int 4 Zapopan Jalisco MX 45136

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.