What this means
The IEEE assigned the MA-L block 70B9BB to Shenzhen Hankvision 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 70:B9:BB, it is Shenzhen Hankvision Technology CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 70B9BB?
70B9BB is registered to Shenzhen Hankvision 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. Shenzhen Hankvision Technology CO.,LTD's block covers 16,777,216 addresses.
What devices use 70B9BB?
Any network device with a MAC address starting 70:B9:BB was manufactured by or for Shenzhen Hankvision Technology CO.,LTD.