What this means
The IEEE assigned the MA-L block 081DC4 to Thermo Fisher Scientific Messtechnik 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 08:1D:C4, it is Thermo Fisher Scientific Messtechnik GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 081DC4?
081DC4 is registered to Thermo Fisher Scientific Messtechnik 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. Thermo Fisher Scientific Messtechnik GmbH's block covers 16,777,216 addresses.
What devices use 081DC4?
Any network device with a MAC address starting 08:1D:C4 was manufactured by or for Thermo Fisher Scientific Messtechnik GmbH.