SERANOA NETWORKS INC

Any device whose MAC address begins with 00:09:D1 has a network interface built by SERANOA NETWORKS 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

00:09:D1

Organization

SERANOA NETWORKS INC

Address

CONCORD OFFICE CENTER CONCORD MA US 01742

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.