Who owns MAC prefix 443719?

443719 is registered to 2 Save Energy Ltd in the IEEE MA-L registry.

What devices use 443719?

Any network device with a MAC address starting 44:37:19 was manufactured by or for 2 Save Energy Ltd.

MA-L · OUI prefix

2 Save Energy Ltd

Any MAC address starting 44:37:19 is registered to 2 Save Energy Ltd.

OUI prefix	443719
Vendor	2 Save Energy Ltd
Registry	MA-L (24-bit, large block)
Example MAC	44:37:19:00:00:00

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.

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