What this means
The IEEE assigned the MA-L block E4B633 to Wuxi Stars Microsystem 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 E4:B6:33, it is Wuxi Stars Microsystem Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix E4B633?
E4B633 is registered to Wuxi Stars Microsystem 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. Wuxi Stars Microsystem Technology Co., Ltd's block covers 16,777,216 addresses.
What devices use E4B633?
Any network device with a MAC address starting E4:B6:33 was manufactured by or for Wuxi Stars Microsystem Technology Co., Ltd.