What this means
The IEEE assigned the MA-L block 0050DD to SERRA SOLDADURA, S.A.. 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 00:50:DD, it is SERRA SOLDADURA, S.A. hardware.
Frequently Asked Questions
Who owns MAC prefix 0050DD?
0050DD is registered to SERRA SOLDADURA, S.A. 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. SERRA SOLDADURA, S.A.'s block covers 16,777,216 addresses.
What devices use 0050DD?
Any network device with a MAC address starting 00:50:DD was manufactured by or for SERRA SOLDADURA, S.A..