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.
Frequently Asked Questions
Who owns MAC prefix 004076?
004076 is registered to Sun Conversion Technologies 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. Sun Conversion Technologies's block covers 16,777,216 addresses.
What devices use 004076?
Any network device with a MAC address starting 00:40:76 was manufactured by or for Sun Conversion Technologies.