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.

MA-L · OUI prefix

ABB Global Industries and Services Private Limited

Q: Who owns MAC prefix 5031AD?

5031AD is registered to ABB Global Industries and Services Private Limited in the IEEE MA-L registry.

Any MAC address starting 50:31:AD is registered to ABB Global Industries and Services Private Limited in IN.

OUI prefix	5031AD
Vendor	ABB Global Industries and Services Private Limited
Registry	MA-L (24-bit, large block)
Country	IN
Example MAC	50:31:AD:00:00:00

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.

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