What this means
The IEEE assigned the MA-L block E4CE58 to Anhui Realloong Automotive Electronics 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:CE:58, it is Anhui Realloong Automotive Electronics Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix E4CE58?
E4CE58 is registered to Anhui Realloong Automotive Electronics 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. Anhui Realloong Automotive Electronics Co.,Ltd's block covers 16,777,216 addresses.
What devices use E4CE58?
Any network device with a MAC address starting E4:CE:58 was manufactured by or for Anhui Realloong Automotive Electronics Co.,Ltd.