What this means

The IEEE assigned the MA-M block CC3953B to Dat-Con d.o.o.. 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 CC:39:53:B, it is Dat-Con d.o.o. hardware.

Frequently Asked Questions

Who owns MAC prefix CC3953B?

CC3953B is registered to Dat-Con d.o.o. 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. Dat-Con d.o.o.'s block covers 1,048,576 addresses.

What devices use CC3953B?

Any network device with a MAC address starting CC:39:53:B was manufactured by or for Dat-Con d.o.o..