What this means
The IEEE assigned the MA-L block AC3019 to Shenzhen Hailingwei Electronics 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 AC:30:19, it is Shenzhen Hailingwei Electronics Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix AC3019?
AC3019 is registered to Shenzhen Hailingwei Electronics 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 Hailingwei Electronics Co., Ltd.'s block covers 16,777,216 addresses.
What devices use AC3019?
Any network device with a MAC address starting AC:30:19 was manufactured by or for Shenzhen Hailingwei Electronics Co., Ltd..