Who owns MAC prefix C4E032?

C4E032 is registered to IEEE 1904.1 Working Group in the IEEE MA-L registry.

What devices use C4E032?

Any network device with a MAC address starting C4:E0:32 was manufactured by or for IEEE 1904.1 Working Group.

MA-L · OUI prefix

IEEE 1904.1 Working Group

Any MAC address starting C4:E0:32 is registered to IEEE 1904.1 Working Group in US.

OUI prefix	C4E032
Vendor	IEEE 1904.1 Working Group
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	C4:E0:32:00:00:00

What this means

The IEEE assigned the MA-L block C4E032 to IEEE 1904.1 Working Group. 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 C4:E0:32, it is IEEE 1904.1 Working Group hardware.

Other IEEE 1904.1 Working Group prefixes

IEEE 1904.1 Working Group holds 3 registered blocks in total.

58D08F 908260

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