What this means
The IEEE assigned the MA-L block DC175A to Hitachi High-Technologies Corporation. 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 DC:17:5A, it is Hitachi High-Technologies Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix DC175A?
DC175A is registered to Hitachi High-Technologies Corporation 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. Hitachi High-Technologies Corporation's block covers 16,777,216 addresses.
What devices use DC175A?
Any network device with a MAC address starting DC:17:5A was manufactured by or for Hitachi High-Technologies Corporation.