What this means
The IEEE assigned the MA-L block 44599F to Criticare Systems, 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 44:59:9F, it is Criticare Systems, Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 44599F?
44599F is registered to Criticare Systems, 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. Criticare Systems, Inc's block covers 16,777,216 addresses.
What devices use 44599F?
Any network device with a MAC address starting 44:59:9F was manufactured by or for Criticare Systems, Inc.