Hitachi Aloka Medical, Ltd.

Any device whose MAC address begins with 00:01:85 has a network interface built by Hitachi Aloka Medical, 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

00:01:85

Organization

Hitachi Aloka Medical, Ltd.

Address

3-7-19, Imai Ome-city 198-8577 JP

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.