Malvern Instruments Ltd

Any device whose MAC address begins with 70:AD:54 has a network interface built by Malvern Instruments Ltd. 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:AD:54

Organization

Malvern Instruments Ltd

Address

Grovewood Rd Malvern Worcestershire GB WR14 1XZ

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.