What this means
The IEEE assigned the MA-L block 001258 to TechVoIP Sp z o.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 00:12:58, it is TechVoIP Sp z o.o. hardware.
Frequently Asked Questions
Who owns MAC prefix 001258?
001258 is registered to TechVoIP Sp z o.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. TechVoIP Sp z o.o.'s block covers 16,777,216 addresses.
What devices use 001258?
Any network device with a MAC address starting 00:12:58 was manufactured by or for TechVoIP Sp z o.o..