What this means
The IEEE assigned the MA-L block 347F63 to Concept Pro Surveillance. 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 34:7F:63, it is Concept Pro Surveillance hardware.
Frequently Asked Questions
Who owns MAC prefix 347F63?
347F63 is registered to Concept Pro Surveillance 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. Concept Pro Surveillance's block covers 16,777,216 addresses.
What devices use 347F63?
Any network device with a MAC address starting 34:7F:63 was manufactured by or for Concept Pro Surveillance.