Who owns MAC prefix 0005A1?

0005A1 is registered to Zenocom in the IEEE MA-L registry.

What devices use 0005A1?

Any network device with a MAC address starting 00:05:A1 was manufactured by or for Zenocom.

MA-L · OUI prefix

Zenocom

Any MAC address starting 00:05:A1 is registered to Zenocom in KR.

OUI prefix	0005A1
Vendor	Zenocom
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	00:05:A1:00:00:00

What this means

The IEEE assigned the MA-L block 0005A1 to Zenocom. 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 00:05:A1, it is Zenocom hardware.

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