What this means
The IEEE assigned the MA-L block E031D0 to SZ Telstar CO., 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 E0:31:D0, it is SZ Telstar CO., LTD hardware.
Frequently Asked Questions
Who owns MAC prefix E031D0?
E031D0 is registered to SZ Telstar CO., 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. SZ Telstar CO., LTD's block covers 16,777,216 addresses.
What devices use E031D0?
Any network device with a MAC address starting E0:31:D0 was manufactured by or for SZ Telstar CO., LTD.