Who owns MAC prefix 001513?

001513 is registered to EFS sas in the IEEE MA-L registry.

What devices use 001513?

Any network device with a MAC address starting 00:15:13 was manufactured by or for EFS sas.

MA-L · OUI prefix

EFS sas

Any MAC address starting 00:15:13 is registered to EFS sas in US.

OUI prefix	001513
Vendor	EFS sas
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:15:13:00:00:00

What this means

The IEEE assigned the MA-L block 001513 to EFS sas. 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 00:15:13, it is EFS sas hardware.

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