Who owns MAC prefix D42000E?

D42000E is registered to RPUSI Communication Technology Co.,Ltd. in the IEEE MA-M registry.

What devices use D42000E?

Any network device with a MAC address starting D4:20:00:E was manufactured by or for RPUSI Communication Technology Co.,Ltd..

MA-M · OUI prefix

RPUSI Communication Technology Co.,Ltd.

Any MAC address starting D4:20:00:E is registered to RPUSI Communication Technology Co.,Ltd. in CN.

OUI prefix	D42000E
Vendor	RPUSI Communication Technology Co.,Ltd.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	D4:20:00:E:00:00:00

What this means

The IEEE assigned the MA-M block D42000E to RPUSI Communication Technology 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:E, it is RPUSI Communication Technology Co.,Ltd. hardware.

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