What this means
The IEEE assigned the MA-M block E8F6D7B to GUANGZHOU PANYU JUDA CAR AUDIO EQUIPMENT 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 E8:F6:D7:B, it is GUANGZHOU PANYU JUDA CAR AUDIO EQUIPMENT CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix E8F6D7B?
E8F6D7B is registered to GUANGZHOU PANYU JUDA CAR AUDIO EQUIPMENT CO.,LTD in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. GUANGZHOU PANYU JUDA CAR AUDIO EQUIPMENT CO.,LTD's block covers 1,048,576 addresses.
What devices use E8F6D7B?
Any network device with a MAC address starting E8:F6:D7:B was manufactured by or for GUANGZHOU PANYU JUDA CAR AUDIO EQUIPMENT CO.,LTD.