What this means
The IEEE assigned the MA-L block 20BBBC to Hangzhou Ezviz Software 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:BB:BC, it is Hangzhou Ezviz Software Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 20BBBC?
20BBBC is registered to Hangzhou Ezviz Software 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. Hangzhou Ezviz Software Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use 20BBBC?
Any network device with a MAC address starting 20:BB:BC was manufactured by or for Hangzhou Ezviz Software Co.,Ltd..