Who owns MAC prefix 6045BD?

6045BD is registered to Microsoft in the IEEE MA-L registry.

What devices use 6045BD?

Any network device with a MAC address starting 60:45:BD was manufactured by or for Microsoft.

MA-L · OUI prefix

Microsoft

Any MAC address starting 60:45:BD is registered to Microsoft in US.

OUI prefix	6045BD
Vendor	Microsoft
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	60:45:BD:00:00:00

What this means

The IEEE assigned the MA-L block 6045BD to Microsoft. 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 60:45:BD, it is Microsoft hardware.

Other Microsoft prefixes

Microsoft holds 9 registered blocks in total.

3059B7 4C0BBE 501AC5 5882A8 7C1E52 7CED8D B4AE2B C0335E

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