Who owns MAC prefix 8C1F64D5A?

8C1F64D5A is registered to Realtek Semiconductor Corp. in the IEEE MA-S registry.

What devices use 8C1F64D5A?

Any network device with a MAC address starting 8C:1F:64:D5:A was manufactured by or for Realtek Semiconductor Corp..

MA-S · OUI prefix

Realtek Semiconductor Corp.

Any MAC address starting 8C:1F:64:D5:A is registered to Realtek Semiconductor Corp. in CN.

OUI prefix	8C1F64D5A
Vendor	Realtek Semiconductor Corp.
Registry	MA-S (36-bit, small block)
Country	CN
Example MAC	8C:1F:64:D5:A:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F64D5A to Realtek Semiconductor Corp.. 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 8C:1F:64:D5:A, it is Realtek Semiconductor Corp. hardware.

Other Realtek Semiconductor Corp. prefixes

Realtek Semiconductor Corp. holds 3 registered blocks in total.

00E04C FC934E

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