Who owns MAC prefix D4AD20?

D4AD20 is registered to Jinan USR IOT Technology Limited in the IEEE MA-L registry.

What devices use D4AD20?

Any network device with a MAC address starting D4:AD:20 was manufactured by or for Jinan USR IOT Technology Limited.

MA-L · OUI prefix

Jinan USR IOT Technology Limited

Any MAC address starting D4:AD:20 is registered to Jinan USR IOT Technology Limited in CN.

OUI prefix	D4AD20
Vendor	Jinan USR IOT Technology Limited
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	D4:AD:20:00:00:00

What this means

The IEEE assigned the MA-L block D4AD20 to Jinan USR IOT Technology Limited. 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:AD:20, it is Jinan USR IOT Technology Limited hardware.

Other Jinan USR IOT Technology Limited prefixes

Jinan USR IOT Technology Limited holds 3 registered blocks in total.

38F406 F4700C6

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