What this means
The IEEE assigned the MA-L block 5031AD to ABB Global Industries and Services Private Limited. 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 50:31:AD, it is ABB Global Industries and Services Private Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 5031AD?
5031AD is registered to ABB Global Industries and Services Private Limited 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. ABB Global Industries and Services Private Limited's block covers 16,777,216 addresses.
What devices use 5031AD?
Any network device with a MAC address starting 50:31:AD was manufactured by or for ABB Global Industries and Services Private Limited.