What this means
The IEEE assigned the MA-L block 00D040 to SYSMATE CO., LTD.. 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:D0:40, it is SYSMATE CO., LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 00D040?
00D040 is registered to SYSMATE CO., LTD. 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. SYSMATE CO., LTD.'s block covers 16,777,216 addresses.
What devices use 00D040?
Any network device with a MAC address starting 00:D0:40 was manufactured by or for SYSMATE CO., LTD..