MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Google, Inc.
OUI: DA:A1:19
Range: DA:A1:19:00:00:00 - DA:A1:19: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:
Google