Who owns MAC prefix 4857D2?

4857D2 is registered to Broadcom Limited in the IEEE MA-L registry.

What devices use 4857D2?

Any network device with a MAC address starting 48:57:D2 was manufactured by or for Broadcom Limited.

MA-L · OUI prefix

Broadcom Limited

Any MAC address starting 48:57:D2 is registered to Broadcom Limited in US.

OUI prefix	4857D2
Vendor	Broadcom Limited
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	48:57:D2:00:00:00

What this means

The IEEE assigned the MA-L block 4857D2 to Broadcom Limited. 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 48:57:D2, it is Broadcom Limited hardware.

Other Broadcom Limited prefixes

Broadcom Limited holds 21 registered blocks in total.

00620B 7410E0 043201 1423F2 1423F3 34D868 405B7F 5C6F69 6C8375 6C92CF 70B7E4 84160C all 21 »

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