SEIWA ELECTRIC MFG. CO., LTD.

Any device whose MAC address begins with 00:E0:C0 has a network interface built by SEIWA ELECTRIC MFG. CO., 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:E0:C0

Organization

SEIWA ELECTRIC MFG. CO., LTD.

Address

86 TARADA SHIN-IKE, KYOTO PREFECTURE 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.