ACKSYS Communications & systems

Any device whose MAC address begins with 00:09:90 has a network interface built by ACKSYS Communications & systems. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:09:90

Organization

ACKSYS Communications & systems

Address

ZA du Val Joyeux VILLEPREUX FR F-78450

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.