What this means
The IEEE assigned the MA-L block 64135A to Itectra A/S. 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 64:13:5A, it is Itectra A/S hardware.
Frequently Asked Questions
Who owns MAC prefix 64135A?
64135A is registered to Itectra A/S 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. Itectra A/S's block covers 16,777,216 addresses.
What devices use 64135A?
Any network device with a MAC address starting 64:13:5A was manufactured by or for Itectra A/S.