What this means
The IEEE assigned the MA-M block 3873EAA to SHENZHEN CSE 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 38:73:EA:A, it is SHENZHEN CSE TECHNOLOGY CO., LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 3873EAA?
3873EAA is registered to SHENZHEN CSE 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 CSE TECHNOLOGY CO., LTD's block covers 1,048,576 addresses.
What devices use 3873EAA?
Any network device with a MAC address starting 38:73:EA:A was manufactured by or for SHENZHEN CSE TECHNOLOGY CO., LTD.