What this means
The IEEE assigned the MA-L block 000191 to SYRED Data Systems. 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 00:01:91, it is SYRED Data Systems hardware.
Frequently Asked Questions
Who owns MAC prefix 000191?
000191 is registered to SYRED Data Systems 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. SYRED Data Systems's block covers 16,777,216 addresses.
What devices use 000191?
Any network device with a MAC address starting 00:01:91 was manufactured by or for SYRED Data Systems.