Who owns MAC prefix 300A605?

300A605 is registered to A9 in the IEEE MA-M registry.

What devices use 300A605?

Any network device with a MAC address starting 30:0A:60:5 was manufactured by or for A9.

MA-M · OUI prefix

A9

Any MAC address starting 30:0A:60:5 is registered to A9 in KR.

OUI prefix	300A605
Vendor	A9
Registry	MA-M (28-bit, medium block)
Country	KR
Example MAC	30:0A:60:5:00:00:00

What this means

The IEEE assigned the MA-M block 300A605 to A9. 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 30:0A:60:5, it is A9 hardware.

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