Who owns MAC prefix 4CB199?

4CB199 is registered to Apple, Inc. in the IEEE MA-L registry.

What devices use 4CB199?

Any network device with a MAC address starting 4C:B1:99 was manufactured by or for Apple, Inc..

MA-L · OUI prefix

Apple, Inc.

Any MAC address starting 4C:B1:99 is registered to Apple, Inc. in US.

OUI prefix	4CB199
Vendor	Apple, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	4C:B1:99:00:00:00

What this means

The IEEE assigned the MA-L block 4CB199 to Apple, Inc.. 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:B1:99, it is Apple, Inc. hardware.

Other Apple, Inc. prefixes

Apple, Inc. holds 1,553 registered blocks in total.

000393 000502 000A27 000A95 000D93 0010FA 001124 001451 0016CB 0017F2 001B63 001CB3 all 1,553 »

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