What this means
The IEEE assigned the MA-L block E81A58 to TECHNOLOGIC SYSTEMS. 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 E8:1A:58, it is TECHNOLOGIC SYSTEMS hardware.
Frequently Asked Questions
Who owns MAC prefix E81A58?
E81A58 is registered to TECHNOLOGIC SYSTEMS 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. TECHNOLOGIC SYSTEMS's block covers 16,777,216 addresses.
What devices use E81A58?
Any network device with a MAC address starting E8:1A:58 was manufactured by or for TECHNOLOGIC SYSTEMS.