What this means
The IEEE assigned the MA-L block B09137 to ISis ImageStream Internet Solutions, 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 B0:91:37, it is ISis ImageStream Internet Solutions, Inc hardware.
Frequently Asked Questions
Who owns MAC prefix B09137?
B09137 is registered to ISis ImageStream Internet Solutions, 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. ISis ImageStream Internet Solutions, Inc's block covers 16,777,216 addresses.
What devices use B09137?
Any network device with a MAC address starting B0:91:37 was manufactured by or for ISis ImageStream Internet Solutions, Inc.