What this means
The IEEE assigned the MA-L block 90B1E0 to Beijing Nebula Link 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:B1:E0, it is Beijing Nebula Link Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 90B1E0?
90B1E0 is registered to Beijing Nebula Link 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 Nebula Link Technology Co., Ltd's block covers 16,777,216 addresses.
What devices use 90B1E0?
Any network device with a MAC address starting 90:B1:E0 was manufactured by or for Beijing Nebula Link Technology Co., Ltd.