Who owns MAC prefix C4393A?

C4393A is registered to SMC Networks Inc in the IEEE MA-L registry.

What devices use C4393A?

Any network device with a MAC address starting C4:39:3A was manufactured by or for SMC Networks Inc.

MA-L · OUI prefix

SMC Networks Inc

Any MAC address starting C4:39:3A is registered to SMC Networks Inc in US.

OUI prefix	C4393A
Vendor	SMC Networks Inc
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	C4:39:3A:00:00:00

What this means

The IEEE assigned the MA-L block C4393A to SMC Networks 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 C4:39:3A, it is SMC Networks Inc hardware.

Other SMC Networks Inc prefixes

SMC Networks Inc holds 8 registered blocks in total.

0004E2 000BC5 0013F7 00222D 78CD8E B89BC9 E4956E0

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