Who owns MAC prefix 388A21?

388A21 is registered to UAB "Teltonika Telematics" in the IEEE MA-L registry.

What devices use 388A21?

Any network device with a MAC address starting 38:8A:21 was manufactured by or for UAB "Teltonika Telematics".

MA-L · OUI prefix

UAB "Teltonika Telematics"

Any MAC address starting 38:8A:21 is registered to UAB "Teltonika Telematics" in LT.

OUI prefix	388A21
Vendor	UAB "Teltonika Telematics"
Registry	MA-L (24-bit, large block)
Country	LT
Example MAC	38:8A:21:00:00:00

What this means

The IEEE assigned the MA-L block 388A21 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 38:8A:21, it is UAB "Teltonika Telematics" hardware.

Other UAB "Teltonika Telematics" prefixes

UAB "Teltonika Telematics" holds 3 registered blocks in total.

6CAFAB 7CD9F4

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