Fontem Ventures BV

Any device whose MAC address begins with AC:EE:70 has a network interface built by Fontem Ventures BV. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

AC:EE:70

Organization

Fontem Ventures BV

Address

Motion Building 8F, Radarweg 60 Amsterdam Noord-Holland NL 1043NT

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.