What this means
The IEEE assigned the MA-L block 7CD9F4 to UAB "Teltonika Telematics". 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 7C:D9:F4, it is UAB "Teltonika Telematics" hardware.
Frequently Asked Questions
Who owns MAC prefix 7CD9F4?
7CD9F4 is registered to UAB "Teltonika Telematics" 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. UAB "Teltonika Telematics"'s block covers 16,777,216 addresses.
What devices use 7CD9F4?
Any network device with a MAC address starting 7C:D9:F4 was manufactured by or for UAB "Teltonika Telematics".