Obsidian Research Corporation

Any device whose MAC address begins with 00:17:77 has a network interface built by Obsidian Research Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:17:77

Organization

Obsidian Research Corporation

Address

120 - 4445 Calgary Trail NW Edmonton Alberta CA T6H 5R7

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.