What this means
The IEEE assigned the MA-L block 002030 to ANALOG & DIGITAL 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 00:20:30, it is ANALOG & DIGITAL SYSTEMS hardware.
Frequently Asked Questions
Who owns MAC prefix 002030?
002030 is registered to ANALOG & DIGITAL 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. ANALOG & DIGITAL SYSTEMS's block covers 16,777,216 addresses.
What devices use 002030?
Any network device with a MAC address starting 00:20:30 was manufactured by or for ANALOG & DIGITAL SYSTEMS.