ANDRA Sp. z o. o.

Any device whose MAC address begins with 04:45:62 has a network interface built by ANDRA Sp. z o. o.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

04:45:62

Organization

ANDRA Sp. z o. o.

Address

Pryzmaty 6/8 Warszawa PL 02-226

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.