What this means
The IEEE assigned the MA-L block 70A191 to Trendsetter Medical, LLC. 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 70:A1:91, it is Trendsetter Medical, LLC hardware.
Frequently Asked Questions
Who owns MAC prefix 70A191?
70A191 is registered to Trendsetter Medical, LLC 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. Trendsetter Medical, LLC's block covers 16,777,216 addresses.
What devices use 70A191?
Any network device with a MAC address starting 70:A1:91 was manufactured by or for Trendsetter Medical, LLC.