Dragos, Inc.

Any device whose MAC address begins with 58:4D:42 has a network interface built by Dragos, 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

58:4D:42

Organization

Dragos, Inc.

Address

1745 Dorsey Rd, Suite R Hanover MD US 21076

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.