What this means
The IEEE assigned the MA-M block 301F9A0 to ILSAN ELECTRONICS. 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 30:1F:9A:0, it is ILSAN ELECTRONICS hardware.
Frequently Asked Questions
Who owns MAC prefix 301F9A0?
301F9A0 is registered to ILSAN ELECTRONICS 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. ILSAN ELECTRONICS's block covers 1,048,576 addresses.
What devices use 301F9A0?
Any network device with a MAC address starting 30:1F:9A:0 was manufactured by or for ILSAN ELECTRONICS.