What this means
The IEEE assigned the MA-L block 90DE80 to Shenzhen Century Xinyang 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 90:DE:80, it is Shenzhen Century Xinyang Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 90DE80?
90DE80 is registered to Shenzhen Century Xinyang 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. Shenzhen Century Xinyang Technology Co., Ltd's block covers 16,777,216 addresses.
What devices use 90DE80?
Any network device with a MAC address starting 90:DE:80 was manufactured by or for Shenzhen Century Xinyang Technology Co., Ltd.