Igneous Systems

Any device whose MAC address begins with 78:AC:BF has a network interface built by Igneous 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

78:AC:BF

Organization

Igneous Systems

Address

2401 4th Ave Seattle WA US 98121

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.