What this means
The IEEE assigned the MA-L block 20E791 to Siemens Healthcare Diagnostics, Inc. 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:E7:91, it is Siemens Healthcare Diagnostics, Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 20E791?
20E791 is registered to Siemens Healthcare Diagnostics, Inc 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. Siemens Healthcare Diagnostics, Inc's block covers 16,777,216 addresses.
What devices use 20E791?
Any network device with a MAC address starting 20:E7:91 was manufactured by or for Siemens Healthcare Diagnostics, Inc.