NSC Communications Siberia Ltd

Any device whose MAC address begins with 54:A5:4B has a network interface built by NSC Communications Siberia Ltd. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

54:A5:4B

Organization

NSC Communications Siberia Ltd

Address

Ordjonikidze 38 Novosibirsk RU 630099

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.