Sigma-Links Inc.

Any device whose MAC address begins with 00:08:8D has a network interface built by Sigma-Links 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

00:08:8D

Organization

Sigma-Links Inc.

Address

550-1 Higashiasakawa-cho, Tokyo JP 193-8550

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.