M&S Systems

Any device whose MAC address begins with 00:0C:58 has a network interface built by M&S Systems. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0C:58

Organization

M&S Systems

Address

2861 Congressman Lane Dallas TX US 75220

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.