Delphian Systems LLC

Any device whose MAC address begins with D4:02:4A has a network interface built by Delphian Systems LLC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D4:02:4A

Organization

Delphian Systems LLC

Address

720 Dartmouth Lane Buffalo Grove IL US 60089

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.