Who owns MAC prefix 1C3A4F?

1C3A4F is registered to AccuSpec Electronics, LLC in the IEEE MA-L registry.

What devices use 1C3A4F?

Any network device with a MAC address starting 1C:3A:4F was manufactured by or for AccuSpec Electronics, LLC.

MA-L · OUI prefix

AccuSpec Electronics, LLC

Any MAC address starting 1C:3A:4F is registered to AccuSpec Electronics, LLC in US.

OUI prefix	1C3A4F
Vendor	AccuSpec Electronics, LLC
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	1C:3A:4F:00:00:00

What this means

The IEEE assigned the MA-L block 1C3A4F to AccuSpec Electronics, LLC. 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 1C:3A:4F, it is AccuSpec Electronics, LLC hardware.

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