Daniel Computing Systems, Inc.

Any device whose MAC address begins with 00:05:9D has a network interface built by Daniel Computing Systems, Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:05:9D

Organization

Daniel Computing Systems, Inc.

Address

3208 8th Avenue NE #118 CA T2A 7V8

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.