What this means

The IEEE assigned the MA-M block 3C39E7B to chipsguide 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 3C:39:E7:B, it is chipsguide technology Co.,LTD hardware.

Frequently Asked Questions

Who owns MAC prefix 3C39E7B?

3C39E7B is registered to chipsguide technology 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. chipsguide technology Co.,LTD's block covers 1,048,576 addresses.

What devices use 3C39E7B?

Any network device with a MAC address starting 3C:39:E7:B was manufactured by or for chipsguide technology Co.,LTD.