Hitachi Rail GTS Deutschland GmbH

Any device whose MAC address begins with 4C:30:89 has a network interface built by Hitachi Rail GTS Deutschland GmbH. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

4C:30:89

Organization

Hitachi Rail GTS Deutschland GmbH

Address

Bierweg 2 Arnstadt Thuringia DE 99310

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.