What this means
The IEEE assigned the MA-L block 001D68 to Thomson Telecom Belgium. 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 00:1D:68, it is Thomson Telecom Belgium hardware.
Frequently Asked Questions
Who owns MAC prefix 001D68?
001D68 is registered to Thomson Telecom Belgium 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. Thomson Telecom Belgium's block covers 16,777,216 addresses.
What devices use 001D68?
Any network device with a MAC address starting 00:1D:68 was manufactured by or for Thomson Telecom Belgium.