What this means
The IEEE assigned the MA-L block A0C4A5 to SYGN HOUSE 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 A0:C4:A5, it is SYGN HOUSE INC. hardware.
Frequently Asked Questions
Who owns MAC prefix A0C4A5?
A0C4A5 is registered to SYGN HOUSE 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. SYGN HOUSE INC.'s block covers 16,777,216 addresses.
What devices use A0C4A5?
Any network device with a MAC address starting A0:C4:A5 was manufactured by or for SYGN HOUSE INC..