Double-Take Software, INC.

Any device whose MAC address begins with 00:23:F9 has a network interface built by Double-Take Software, 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

00:23:F9

Organization

Double-Take Software, INC.

Address

8470 Allison Pointe Blvd Indianapolis IN US 46250

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.