Who owns MAC prefix 004043?

004043 is registered to Nokia Siemens Networks GmbH & Co. KG. in the IEEE MA-L registry.

What devices use 004043?

Any network device with a MAC address starting 00:40:43 was manufactured by or for Nokia Siemens Networks GmbH & Co. KG..

MA-L · OUI prefix

Nokia Siemens Networks GmbH & Co. KG.

Any MAC address starting 00:40:43 is registered to Nokia Siemens Networks GmbH & Co. KG. in DE.

OUI prefix	004043
Vendor	Nokia Siemens Networks GmbH & Co. KG.
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:40:43:00:00:00

What this means

The IEEE assigned the MA-L block 004043 to Nokia Siemens Networks GmbH & Co. KG.. 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 00:40:43, it is Nokia Siemens Networks GmbH & Co. KG. hardware.

Other Nokia Siemens Networks GmbH & Co. KG. prefixes

Nokia Siemens Networks GmbH & Co. KG. holds 2 registered blocks in total.

000FBB

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