Cyrus Technology GmbH - MAC Prefix D05F646 (MA-M)

What this means

The IEEE assigned the MA-M block D05F646 to Cyrus Technology 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 D0:5F:64:6, it is Cyrus Technology GmbH hardware.

Frequently Asked Questions

Who owns MAC prefix D05F646?

D05F646 is registered to Cyrus Technology GmbH 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. Cyrus Technology GmbH's block covers 1,048,576 addresses.

What devices use D05F646?

Any network device with a MAC address starting D0:5F:64:6 was manufactured by or for Cyrus Technology GmbH.

OUI prefix	D05F646
Vendor	Cyrus Technology GmbH
Registry	MA-M (28-bit, medium block)
Block size	1,048,576 addresses
Country	DE
Other blocks by this vendor	1 total
Example MAC	D0:5F:64:6:00:00:00