What this means
The IEEE assigned the MA-L block F490CA to Tensorcom. 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 F4:90:CA, it is Tensorcom hardware.
Frequently Asked Questions
Who owns MAC prefix F490CA?
F490CA is registered to Tensorcom 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. Tensorcom's block covers 16,777,216 addresses.
What devices use F490CA?
Any network device with a MAC address starting F4:90:CA was manufactured by or for Tensorcom.