What this means
The IEEE assigned the MA-L block 94C3E4 to Atlas Copco IAS GmbH. 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 94:C3:E4, it is Atlas Copco IAS GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 94C3E4?
94C3E4 is registered to Atlas Copco IAS GmbH 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. Atlas Copco IAS GmbH's block covers 16,777,216 addresses.
What devices use 94C3E4?
Any network device with a MAC address starting 94:C3:E4 was manufactured by or for Atlas Copco IAS GmbH.