What this means
The IEEE assigned the MA-L block 001D7F to Tekron International Ltd. 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:7F, it is Tekron International Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 001D7F?
001D7F is registered to Tekron International Ltd 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. Tekron International Ltd's block covers 16,777,216 addresses.
What devices use 001D7F?
Any network device with a MAC address starting 00:1D:7F was manufactured by or for Tekron International Ltd.