What this means
The IEEE assigned the MA-L block 78B28D to Beijing Tengling 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 78:B2:8D, it is Beijing Tengling Technology CO.Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 78B28D?
78B28D is registered to Beijing Tengling 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 Tengling Technology CO.Ltd's block covers 16,777,216 addresses.
What devices use 78B28D?
Any network device with a MAC address starting 78:B2:8D was manufactured by or for Beijing Tengling Technology CO.Ltd.