What this means
The IEEE assigned the MA-L block 0001B5 to Turin Networks, Inc.. 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 00:01:B5, it is Turin Networks, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 0001B5?
0001B5 is registered to Turin Networks, Inc. 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. Turin Networks, Inc.'s block covers 16,777,216 addresses.
What devices use 0001B5?
Any network device with a MAC address starting 00:01:B5 was manufactured by or for Turin Networks, Inc..