AC Power Distribution / ACT Entmt. - MAC Prefix 0411199 (MA-M)

What this means

The IEEE assigned the MA-M block 0411199 to AC Power Distribution / ACT Entmt.. 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 04:11:19:9, it is AC Power Distribution / ACT Entmt. hardware.

Frequently Asked Questions

Who owns MAC prefix 0411199?

0411199 is registered to AC Power Distribution / ACT Entmt. 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. AC Power Distribution / ACT Entmt.'s block covers 1,048,576 addresses.

What devices use 0411199?

Any network device with a MAC address starting 04:11:19:9 was manufactured by or for AC Power Distribution / ACT Entmt..

OUI prefix	0411199
Vendor	AC Power Distribution / ACT Entmt.
Registry	MA-M (28-bit, medium block)
Block size	1,048,576 addresses
Country	US
Other blocks by this vendor	1 total
Example MAC	04:11:19:9:00:00:00