What this means
The IEEE assigned the MA-L block 7834FD to vivo Mobile Communication 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 78:34:FD, it is vivo Mobile Communication Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 7834FD?
7834FD is registered to vivo Mobile Communication 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. vivo Mobile Communication Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 7834FD?
Any network device with a MAC address starting 78:34:FD was manufactured by or for vivo Mobile Communication Co., Ltd..