FW Murphy Production Controls

Any device whose MAC address begins with E4:02:74 has a network interface built by FW Murphy Production Controls. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

E4:02:74

Organization

FW Murphy Production Controls

Address

4646 S Harvard Ave Tulsa OK US 74135

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.