Peerless Systems Corporation

Any device whose MAC address begins with 00:17:B5 has a network interface built by Peerless Systems Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:17:B5

Organization

Peerless Systems Corporation

Address

2381 Rosecrans Avenue, Suite 400 El Segundo CA US 90245

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.