What this means
The IEEE assigned the MA-L block 00805A to TULIP COMPUTERS INTERNAT'L B.V. 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 00:80:5A, it is TULIP COMPUTERS INTERNAT'L B.V hardware.
Frequently Asked Questions
Who owns MAC prefix 00805A?
00805A is registered to TULIP COMPUTERS INTERNAT'L B.V 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. TULIP COMPUTERS INTERNAT'L B.V's block covers 16,777,216 addresses.
What devices use 00805A?
Any network device with a MAC address starting 00:80:5A was manufactured by or for TULIP COMPUTERS INTERNAT'L B.V.