What this means
The IEEE assigned the MA-L block 443719 to 2 Save Energy Ltd. 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 44:37:19, it is 2 Save Energy Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 443719?
443719 is registered to 2 Save Energy Ltd 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. 2 Save Energy Ltd's block covers 16,777,216 addresses.
What devices use 443719?
Any network device with a MAC address starting 44:37:19 was manufactured by or for 2 Save Energy Ltd.