What this means
The IEEE assigned the MA-L block 3842A6 to Ingenieurbuero Stahlkopf. 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 38:42:A6, it is Ingenieurbuero Stahlkopf hardware.
Frequently Asked Questions
Who owns MAC prefix 3842A6?
3842A6 is registered to Ingenieurbuero Stahlkopf 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. Ingenieurbuero Stahlkopf's block covers 16,777,216 addresses.
What devices use 3842A6?
Any network device with a MAC address starting 38:42:A6 was manufactured by or for Ingenieurbuero Stahlkopf.