What this means
The IEEE assigned the MA-L block 001D7C to ABE Elettronica S.p.A.. 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:7C, it is ABE Elettronica S.p.A. hardware.
Frequently Asked Questions
Who owns MAC prefix 001D7C?
001D7C is registered to ABE Elettronica S.p.A. 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. ABE Elettronica S.p.A.'s block covers 16,777,216 addresses.
What devices use 001D7C?
Any network device with a MAC address starting 00:1D:7C was manufactured by or for ABE Elettronica S.p.A..