What this means
The IEEE assigned the MA-L block 00103A to DIAMOND NETWORK TECH. 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 00:10:3A, it is DIAMOND NETWORK TECH hardware.
Frequently Asked Questions
Who owns MAC prefix 00103A?
00103A is registered to DIAMOND NETWORK TECH 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. DIAMOND NETWORK TECH's block covers 16,777,216 addresses.
What devices use 00103A?
Any network device with a MAC address starting 00:10:3A was manufactured by or for DIAMOND NETWORK TECH.