What this means
The IEEE assigned the MA-L block 00175B to ACS Solutions Switzerland 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 00:17:5B, it is ACS Solutions Switzerland Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 00175B?
00175B is registered to ACS Solutions Switzerland 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. ACS Solutions Switzerland Ltd.'s block covers 16,777,216 addresses.
What devices use 00175B?
Any network device with a MAC address starting 00:17:5B was manufactured by or for ACS Solutions Switzerland Ltd..