What this means
The IEEE assigned the MA-L block 443839 to Cumulus Networks, inc. 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 44:38:39, it is Cumulus Networks, inc hardware.
Frequently Asked Questions
Who owns MAC prefix 443839?
443839 is registered to Cumulus Networks, inc 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. Cumulus Networks, inc's block covers 16,777,216 addresses.
What devices use 443839?
Any network device with a MAC address starting 44:38:39 was manufactured by or for Cumulus Networks, inc.