What this means
The IEEE assigned the MA-L block A4A4D3 to Bluebank Communication 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 A4:A4:D3, it is Bluebank Communication Technology Co.Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix A4A4D3?
A4A4D3 is registered to Bluebank Communication 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. Bluebank Communication Technology Co.Ltd's block covers 16,777,216 addresses.
What devices use A4A4D3?
Any network device with a MAC address starting A4:A4:D3 was manufactured by or for Bluebank Communication Technology Co.Ltd.