What this means
The IEEE assigned the MA-L block 0021DB to Santachi Video Technology (Shenzhen) 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 00:21:DB, it is Santachi Video Technology (Shenzhen) Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 0021DB?
0021DB is registered to Santachi Video Technology (Shenzhen) 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. Santachi Video Technology (Shenzhen) Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 0021DB?
Any network device with a MAC address starting 00:21:DB was manufactured by or for Santachi Video Technology (Shenzhen) Co., Ltd..