What this means
The IEEE assigned the MA-L block 50ED78 to Changzhou Yongse Infotech 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 50:ED:78, it is Changzhou Yongse Infotech Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 50ED78?
50ED78 is registered to Changzhou Yongse Infotech 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. Changzhou Yongse Infotech Co.,Ltd's block covers 16,777,216 addresses.
What devices use 50ED78?
Any network device with a MAC address starting 50:ED:78 was manufactured by or for Changzhou Yongse Infotech Co.,Ltd.