Blink by Amazon

Any device whose MAC address begins with 3C:A0:70 has a network interface built by Blink by Amazon. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

3C:A0:70

Organization

Blink by Amazon

Address

100 Riverpark Drive North Reading MA US 01864

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.