Hillstone Networks Corp.

Any device whose MAC address begins with 74:73:E2 has a network interface built by Hillstone Networks Corp.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

74:73:E2

Organization

Hillstone Networks Corp.

Address

5201 Great America Pkwy, #420 Santa Clara, CA 95054 Santa Clara CA US 95054

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.