What this means
The IEEE assigned the MA-L block A81087 to Texas Instruments. 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 A8:10:87, it is Texas Instruments hardware.
Frequently Asked Questions
Who owns MAC prefix A81087?
A81087 is registered to Texas Instruments 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. Texas Instruments's block covers 16,777,216 addresses.
What devices use A81087?
Any network device with a MAC address starting A8:10:87 was manufactured by or for Texas Instruments.