What this means
The IEEE assigned the MA-L block 20C8B3 to SHENZHEN BUL-TECH 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 20:C8:B3, it is SHENZHEN BUL-TECH CO.,LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 20C8B3?
20C8B3 is registered to SHENZHEN BUL-TECH 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 BUL-TECH CO.,LTD.'s block covers 16,777,216 addresses.
What devices use 20C8B3?
Any network device with a MAC address starting 20:C8:B3 was manufactured by or for SHENZHEN BUL-TECH CO.,LTD..