Hanna Instruments, Inc.

Any device whose MAC address begins with 70:1E:68 has a network interface built by Hanna Instruments, 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

70:1E:68

Organization

Hanna Instruments, Inc.

Address

584 Park East Dr. Woonsocket RI US 02895

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.