Aplicaciones Electronicas Quasar (AEQ)

Any device whose MAC address begins with 00:21:01 has a network interface built by Aplicaciones Electronicas Quasar (AEQ). This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:21:01

Organization

Aplicaciones Electronicas Quasar (AEQ)

Address

C/Rey Pastor 40 Leganes Madrid ES 28914

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.