What this means
The IEEE assigned the MA-L block 90834B to BEIJING YUNYI TIMES 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 90:83:4B, it is BEIJING YUNYI TIMES TECHNOLOGY CO,.LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 90834B?
90834B is registered to BEIJING YUNYI TIMES 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 YUNYI TIMES TECHNOLOGY CO,.LTD's block covers 16,777,216 addresses.
What devices use 90834B?
Any network device with a MAC address starting 90:83:4B was manufactured by or for BEIJING YUNYI TIMES TECHNOLOGY CO,.LTD.