What this means

The IEEE assigned the MA-L block 1CA2B1 to ruwido austria gmbh. 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 1C:A2:B1, it is ruwido austria gmbh hardware.

Frequently Asked Questions

Who owns MAC prefix 1CA2B1?

1CA2B1 is registered to ruwido austria gmbh 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. ruwido austria gmbh's block covers 16,777,216 addresses.

What devices use 1CA2B1?

Any network device with a MAC address starting 1C:A2:B1 was manufactured by or for ruwido austria gmbh.