Pie Digital, Inc.

Any device whose MAC address begins with B4:ED:19 has a network interface built by Pie Digital, 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

B4:ED:19

Organization

Pie Digital, Inc.

Address

575 Market st., 8th floor San Francisco CA US 94105-2823

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.