What this means
The IEEE assigned the MA-L block 744DDC to Sonim Technologies, Inc. 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 74:4D:DC, it is Sonim Technologies, Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 744DDC?
744DDC is registered to Sonim Technologies, Inc 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. Sonim Technologies, Inc's block covers 16,777,216 addresses.
What devices use 744DDC?
Any network device with a MAC address starting 74:4D:DC was manufactured by or for Sonim Technologies, Inc.