HIROSE ELECTRONIC SYSTEM

Any device whose MAC address begins with 18:2A:44 has a network interface built by HIROSE ELECTRONIC SYSTEM. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

18:2A:44

Organization

HIROSE ELECTRONIC SYSTEM

Address

1-9-6 Ebisuminami Shibuya Tokyo JP 150-0022

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.