What this means
The IEEE assigned the MA-M block 480BB2C to SHENZHEN TOPWELL 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 48:0B:B2:C, it is SHENZHEN TOPWELL TECHNOLOGY CO..LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 480BB2C?
480BB2C is registered to SHENZHEN TOPWELL 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 TOPWELL TECHNOLOGY CO..LTD's block covers 1,048,576 addresses.
What devices use 480BB2C?
Any network device with a MAC address starting 48:0B:B2:C was manufactured by or for SHENZHEN TOPWELL TECHNOLOGY CO..LTD.