Shenzhen Volt IoT technology co.,ltd. - MAC Prefix D42000B (MA-M)

What this means

The IEEE assigned the MA-M block D42000B to Shenzhen Volt IoT 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:B, it is Shenzhen Volt IoT technology co.,ltd. hardware.

Frequently Asked Questions

Who owns MAC prefix D42000B?

D42000B is registered to Shenzhen Volt IoT technology co.,ltd. in the IEEE MA-M registry.

What does the MA-M registry type mean?

An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Shenzhen Volt IoT technology co.,ltd.'s block covers 1,048,576 addresses.

What devices use D42000B?

Any network device with a MAC address starting D4:20:00:B was manufactured by or for Shenzhen Volt IoT technology co.,ltd..

OUI prefix	D42000B
Vendor	Shenzhen Volt IoT technology co.,ltd.
Registry	MA-M (28-bit, medium block)
Block size	1,048,576 addresses
Country	CN
Other blocks by this vendor	1 total
Example MAC	D4:20:00:B:00:00:00