What this means
The IEEE assigned the MA-L block 001D48 to Sensor-Technik Wiedemann 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 00:1D:48, it is Sensor-Technik Wiedemann GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 001D48?
001D48 is registered to Sensor-Technik Wiedemann 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. Sensor-Technik Wiedemann GmbH's block covers 16,777,216 addresses.
What devices use 001D48?
Any network device with a MAC address starting 00:1D:48 was manufactured by or for Sensor-Technik Wiedemann GmbH.