Who owns MAC prefix 20858C?

20858C is registered to Assa in the IEEE MA-L registry.

What devices use 20858C?

Any network device with a MAC address starting 20:85:8C was manufactured by or for Assa.

MA-L · OUI prefix

Assa

Any MAC address starting 20:85:8C is registered to Assa in KR.

OUI prefix	20858C
Vendor	Assa
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	20:85:8C:00:00:00

What this means

The IEEE assigned the MA-L block 20858C to Assa. 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 20:85:8C, it is Assa hardware.

Look up another MAC