Who owns MAC prefix 004047?

004047 is registered to WIND RIVER SYSTEMS in the IEEE MA-L registry.

What devices use 004047?

Any network device with a MAC address starting 00:40:47 was manufactured by or for WIND RIVER SYSTEMS.

MA-L · OUI prefix

WIND RIVER SYSTEMS

Any MAC address starting 00:40:47 is registered to WIND RIVER SYSTEMS in US.

OUI prefix	004047
Vendor	WIND RIVER SYSTEMS
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:40:47:00:00:00

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.

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