Bloombase, Inc.

Any device whose MAC address begins with F0:3A:4B has a network interface built by Bloombase, 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

F0:3A:4B

Organization

Bloombase, Inc.

Address

1300 Island Dr Ste 103 Redwood City CA US 94065

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.