What this means
The IEEE assigned the MA-L block 304174 to ALTEC LANSING LLC. 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 30:41:74, it is ALTEC LANSING LLC hardware.
Frequently Asked Questions
Who owns MAC prefix 304174?
304174 is registered to ALTEC LANSING LLC 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. ALTEC LANSING LLC's block covers 16,777,216 addresses.
What devices use 304174?
Any network device with a MAC address starting 30:41:74 was manufactured by or for ALTEC LANSING LLC.