What this means
The IEEE assigned the MA-L block 004017 to Silex Technology America. 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 00:40:17, it is Silex Technology America hardware.
Frequently Asked Questions
Who owns MAC prefix 004017?
004017 is registered to Silex Technology America 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. Silex Technology America's block covers 16,777,216 addresses.
What devices use 004017?
Any network device with a MAC address starting 00:40:17 was manufactured by or for Silex Technology America.