INTERNET INITIATIVE JAPAN, INC

Any device whose MAC address begins with 00:E0:4D has a network interface built by INTERNET INITIATIVE JAPAN, INC. 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:E0:4D

Organization

INTERNET INITIATIVE JAPAN, INC

Address

Iidabashi Grand Bloom 2-10-2 Fujimi Tokyo Chiyoda-ku JP 102-0071

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.