What this means
The IEEE assigned the MA-L block 001D64 to Adam Communications Systems Int Ltd. 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 00:1D:64, it is Adam Communications Systems Int Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 001D64?
001D64 is registered to Adam Communications Systems Int Ltd 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. Adam Communications Systems Int Ltd's block covers 16,777,216 addresses.
What devices use 001D64?
Any network device with a MAC address starting 00:1D:64 was manufactured by or for Adam Communications Systems Int Ltd.