What this means
The IEEE assigned the MA-L block A0B15C to Google, Inc.. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting A0:B1:5C, it is Google, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix A0B15C?
A0B15C is registered to Google, Inc. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Google, Inc.'s block covers 16,777,216 addresses.
What devices use A0B15C?
Any network device with a MAC address starting A0:B1:5C was manufactured by or for Google, Inc..