What this means
The IEEE assigned the MA-M block 7419F83 to Essential Trading Systems Corp. 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 74:19:F8:3, it is Essential Trading Systems Corp hardware.
Frequently Asked Questions
Who owns MAC prefix 7419F83?
7419F83 is registered to Essential Trading Systems Corp in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Essential Trading Systems Corp's block covers 1,048,576 addresses.
What devices use 7419F83?
Any network device with a MAC address starting 74:19:F8:3 was manufactured by or for Essential Trading Systems Corp.