What this means

The IEEE assigned the MA-M block 200A0D0 to halstrup-walcher 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 20:0A:0D:0, it is halstrup-walcher GmbH hardware.

Frequently Asked Questions

Who owns MAC prefix 200A0D0?

200A0D0 is registered to halstrup-walcher 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. halstrup-walcher GmbH's block covers 1,048,576 addresses.

What devices use 200A0D0?

Any network device with a MAC address starting 20:0A:0D:0 was manufactured by or for halstrup-walcher GmbH.