What this means
The IEEE assigned the MA-L block 1048B1 to Beijing Duokan Technology Limited. 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 10:48:B1, it is Beijing Duokan Technology Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 1048B1?
1048B1 is registered to Beijing Duokan Technology Limited 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 Duokan Technology Limited's block covers 16,777,216 addresses.
What devices use 1048B1?
Any network device with a MAC address starting 10:48:B1 was manufactured by or for Beijing Duokan Technology Limited.