What this means
The IEEE assigned the MA-L block 001E57 to ALCOMA, spol. s r.o.. 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 00:1E:57, it is ALCOMA, spol. s r.o. hardware.
Frequently Asked Questions
Who owns MAC prefix 001E57?
001E57 is registered to ALCOMA, spol. s r.o. 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. ALCOMA, spol. s r.o.'s block covers 16,777,216 addresses.
What devices use 001E57?
Any network device with a MAC address starting 00:1E:57 was manufactured by or for ALCOMA, spol. s r.o..