Rinstrum Pty Ltd

Any device whose MAC address begins with 70:4A:E4 has a network interface built by Rinstrum Pty 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

70:4A:E4

Organization

Rinstrum Pty Ltd

Address

41 Success St Acacia Ridge QLD AU 4110

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.