21168

Any device whose MAC address begins with 00:25:C3 has a network interface built by 21168. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:25:C3

Organization

21168

Address

CARRETERA BASE AEREA # 5850 Zapopan Jalisco MX 44130

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.