What this means
The IEEE assigned the MA-L block A0423F to Tyan Computer Corp. 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 A0:42:3F, it is Tyan Computer Corp hardware.
Frequently Asked Questions
Who owns MAC prefix A0423F?
A0423F is registered to Tyan Computer Corp 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. Tyan Computer Corp's block covers 16,777,216 addresses.
What devices use A0423F?
Any network device with a MAC address starting A0:42:3F was manufactured by or for Tyan Computer Corp.