What this means
The IEEE assigned the MA-L block 4845CF to LLC Proizvodstvennaya Kompania "TransService". 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 48:45:CF, it is LLC Proizvodstvennaya Kompania "TransService" hardware.
Frequently Asked Questions
Who owns MAC prefix 4845CF?
4845CF is registered to LLC Proizvodstvennaya Kompania "TransService" 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. LLC Proizvodstvennaya Kompania "TransService"'s block covers 16,777,216 addresses.
What devices use 4845CF?
Any network device with a MAC address starting 48:45:CF was manufactured by or for LLC Proizvodstvennaya Kompania "TransService".