What this means
The IEEE assigned the MA-L block 004007 to TELMAT INFORMATIQUE. 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 00:40:07, it is TELMAT INFORMATIQUE hardware.
Frequently Asked Questions
Who owns MAC prefix 004007?
004007 is registered to TELMAT INFORMATIQUE 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. TELMAT INFORMATIQUE's block covers 16,777,216 addresses.
What devices use 004007?
Any network device with a MAC address starting 00:40:07 was manufactured by or for TELMAT INFORMATIQUE.