What this means
The IEEE assigned the MA-L block 00251F to ZYNUS VISION 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 00:25:1F, it is ZYNUS VISION INC. hardware.
Frequently Asked Questions
Who owns MAC prefix 00251F?
00251F is registered to ZYNUS VISION 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. ZYNUS VISION INC.'s block covers 16,777,216 addresses.
What devices use 00251F?
Any network device with a MAC address starting 00:25:1F was manufactured by or for ZYNUS VISION INC..