Who owns MAC prefix 04ECA9C?

04ECA9C is registered to Broadcom Corporation in the IEEE MA-M registry.

What devices use 04ECA9C?

Any network device with a MAC address starting 04:EC:A9:C was manufactured by or for Broadcom Corporation.

MA-M · OUI prefix

Broadcom Corporation

Any MAC address starting 04:EC:A9:C is registered to Broadcom Corporation in US.

OUI prefix	04ECA9C
Vendor	Broadcom Corporation
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	04:EC:A9:C:00:00:00

What this means

The IEEE assigned the MA-M block 04ECA9C to Broadcom Corporation. 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 04:EC:A9:C, it is Broadcom Corporation hardware.

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