What this means
The IEEE assigned the MA-L block 4422BE to rescuetrack GmbH. 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 44:22:BE, it is rescuetrack GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 4422BE?
4422BE is registered to rescuetrack GmbH 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. rescuetrack GmbH's block covers 16,777,216 addresses.
What devices use 4422BE?
Any network device with a MAC address starting 44:22:BE was manufactured by or for rescuetrack GmbH.