Who owns MAC prefix 4C0BBE?

4C0BBE is registered to Microsoft in the IEEE MA-L registry.

What devices use 4C0BBE?

Any network device with a MAC address starting 4C:0B:BE was manufactured by or for Microsoft.

MA-L · OUI prefix

Microsoft

Any MAC address starting 4C:0B:BE is registered to Microsoft in US.

OUI prefix	4C0BBE
Vendor	Microsoft
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	4C:0B:BE:00:00:00

What this means

The IEEE assigned the MA-L block 4C0BBE 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 4C:0B:BE, it is Microsoft hardware.

Other Microsoft prefixes

Microsoft holds 9 registered blocks in total.

3059B7 501AC5 5882A8 6045BD 7C1E52 7CED8D B4AE2B C0335E

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