What this means
The IEEE assigned the MA-L block 001865 to Siemens Healthcare Diagnostics Manufacturing Ltd. 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 00:18:65, it is Siemens Healthcare Diagnostics Manufacturing Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 001865?
001865 is registered to Siemens Healthcare Diagnostics Manufacturing Ltd 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 Manufacturing Ltd's block covers 16,777,216 addresses.
What devices use 001865?
Any network device with a MAC address starting 00:18:65 was manufactured by or for Siemens Healthcare Diagnostics Manufacturing Ltd.