What this means
The IEEE assigned the MA-L block 144D67 to Zioncom Electronics (Shenzhen) 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 14:4D:67, it is Zioncom Electronics (Shenzhen) Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 144D67?
144D67 is registered to Zioncom Electronics (Shenzhen) 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. Zioncom Electronics (Shenzhen) Ltd.'s block covers 16,777,216 addresses.
What devices use 144D67?
Any network device with a MAC address starting 14:4D:67 was manufactured by or for Zioncom Electronics (Shenzhen) Ltd..