What this means
The IEEE assigned the MA-L block 004047 to WIND RIVER SYSTEMS. 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 00:40:47, it is WIND RIVER SYSTEMS hardware.
Frequently Asked Questions
Who owns MAC prefix 004047?
004047 is registered to WIND RIVER SYSTEMS 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. WIND RIVER SYSTEMS's block covers 16,777,216 addresses.
What devices use 004047?
Any network device with a MAC address starting 00:40:47 was manufactured by or for WIND RIVER SYSTEMS.