Hitachi High-Technologies Corporation

Any device whose MAC address begins with DC:17:5A has a network interface built by Hitachi High-Technologies Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

DC:17:5A

Organization

Hitachi High-Technologies Corporation

Address

794, Higashitoyoi, Kudamatsu City, Yamaguchi Pref., JP 744-0002,

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.