What this means
The IEEE assigned the MA-L block 9447B0 to BEIJING ESWIN COMPUTING 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 94:47:B0, it is BEIJING ESWIN COMPUTING TECHNOLOGY CO., LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 9447B0?
9447B0 is registered to BEIJING ESWIN COMPUTING TECHNOLOGY CO., LTD in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. BEIJING ESWIN COMPUTING TECHNOLOGY CO., LTD's block covers 16,777,216 addresses.
What devices use 9447B0?
Any network device with a MAC address starting 94:47:B0 was manufactured by or for BEIJING ESWIN COMPUTING TECHNOLOGY CO., LTD.