Synapse Product Development

Any device whose MAC address begins with 00:91:FA has a network interface built by Synapse Product Development. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:91:FA

Organization

Synapse Product Development

Address

1511 6th Ave Seattle WA US 98101

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.