Who owns MAC prefix 004076?

004076 is registered to Sun Conversion Technologies in the IEEE MA-L registry.

What devices use 004076?

Any network device with a MAC address starting 00:40:76 was manufactured by or for Sun Conversion Technologies.

MA-L · OUI prefix

Sun Conversion Technologies

Any MAC address starting 00:40:76 is registered to Sun Conversion Technologies in US.

OUI prefix	004076
Vendor	Sun Conversion Technologies
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:40:76:00:00:00

What this means

The IEEE assigned the MA-L block 004076 to Sun Conversion Technologies. 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 00:40:76, it is Sun Conversion Technologies hardware.

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