Who owns MAC prefix 90B21F?

90B21F is registered to Apple, Inc. in the IEEE MA-L registry.

What devices use 90B21F?

Any network device with a MAC address starting 90:B2:1F was manufactured by or for Apple, Inc..

MA-L · OUI prefix

Apple, Inc.

Any MAC address starting 90:B2:1F is registered to Apple, Inc. in US.

OUI prefix	90B21F
Vendor	Apple, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	90:B2:1F:00:00:00

What this means

The IEEE assigned the MA-L block 90B21F 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 90:B2:1F, 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 »

Look up another MAC