What this means

The IEEE assigned the MA-M block 38B19E7 to Beijing Memblaze 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 38:B1:9E:7, it is Beijing Memblaze Technology Co Ltd hardware.

Frequently Asked Questions

Who owns MAC prefix 38B19E7?

38B19E7 is registered to Beijing Memblaze 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. Beijing Memblaze Technology Co Ltd's block covers 1,048,576 addresses.

What devices use 38B19E7?

Any network device with a MAC address starting 38:B1:9E:7 was manufactured by or for Beijing Memblaze Technology Co Ltd.