EASY3CALL Technology Limited

Any device whose MAC address begins with 00:21:F2 has a network interface built by EASY3CALL Technology Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:21:F2

Organization

EASY3CALL Technology Limited

Address

Room 1903-6, 19/F., HING YIP Commercial Centre Hong Kong CN 999077

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.