Sichuan Dowlab Electronics Technology Co. Ltd - MAC Prefix 50FF99B (MA-M)

What this means

The IEEE assigned the MA-M block 50FF99B to Sichuan Dowlab Electronics 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 50:FF:99:B, it is Sichuan Dowlab Electronics Technology Co. Ltd hardware.

Frequently Asked Questions

Who owns MAC prefix 50FF99B?

50FF99B is registered to Sichuan Dowlab Electronics 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. Sichuan Dowlab Electronics Technology Co. Ltd's block covers 1,048,576 addresses.

What devices use 50FF99B?

Any network device with a MAC address starting 50:FF:99:B was manufactured by or for Sichuan Dowlab Electronics Technology Co. Ltd.

OUI prefix	50FF99B
Vendor	Sichuan Dowlab Electronics 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	50:FF:99:B:00:00:00