Convergence Technologies

Any device whose MAC address begins with B8:74:47 has a network interface built by Convergence Technologies. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B8:74:47

Organization

Convergence Technologies

Address

16W215 83rd Street Suite D Burr Ridge IL US 60527

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.