KNS Group LLC

Any device whose MAC address begins with B4:7D:76 has a network interface built by KNS Group LLC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B4:7D:76

Organization

KNS Group LLC

Address

Room 4, Office IV, Floor 4 Rochdelskaya street, 15, b.15 Moscow, 123376 Russia Moscow RU 123376

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.