What this means
The IEEE assigned the MA-L block 00155C to Dresser Wayne. 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 00:15:5C, it is Dresser Wayne hardware.
Frequently Asked Questions
Who owns MAC prefix 00155C?
00155C is registered to Dresser Wayne 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. Dresser Wayne's block covers 16,777,216 addresses.
What devices use 00155C?
Any network device with a MAC address starting 00:15:5C was manufactured by or for Dresser Wayne.