Dongguan Yiertek Co., Ltd

OUI: AA:78:A3

Range: AA:78:A3:00:00:00 - AA:78:A3:FF:FF:FF

Block Size: 16777215 (16.77 M)

Locally administered addresses (LAA): the address is assigned to a device by a network administrator, overriding the burned-in address.

Note

It's also be a randomized MAC. Media Access Control (MAC) address randomization is a privacy technique whereby mobile devices rotate through random hardware addresses in order to prevent observers from singling out their traffic or physical location from other nearby devices.

Type of transmission: Unicast

Wireshark:

No additional details