What this means
The IEEE assigned the MA-L block 703AD8 to Shenzhen Afoundry Electronic 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 70:3A:D8, it is Shenzhen Afoundry Electronic Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 703AD8?
703AD8 is registered to Shenzhen Afoundry Electronic 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 Afoundry Electronic Co., Ltd's block covers 16,777,216 addresses.
What devices use 703AD8?
Any network device with a MAC address starting 70:3A:D8 was manufactured by or for Shenzhen Afoundry Electronic Co., Ltd.