Who owns MAC prefix D420009?

D420009 is registered to WEATHEX CO., LTD. in the IEEE MA-M registry.

What devices use D420009?

Any network device with a MAC address starting D4:20:00:9 was manufactured by or for WEATHEX CO., LTD..

MA-M · OUI prefix

WEATHEX CO., LTD.

Any MAC address starting D4:20:00:9 is registered to WEATHEX CO., LTD. in KR.

OUI prefix	D420009
Vendor	WEATHEX CO., LTD.
Registry	MA-M (28-bit, medium block)
Country	KR
Example MAC	D4:20:00:9:00:00:00

What this means

The IEEE assigned the MA-M block D420009 to WEATHEX CO., LTD.. 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 D4:20:00:9, it is WEATHEX CO., LTD. hardware.

Look up another MAC