Useless for users of new AirPort Utility
Apple does not support the setting of the SNMP community string if you use AirPort Utility version 6. But this needs to be configured in iNet if you want to scan the network with an AirPort Express or Time Capsule. This is not mentioned in the description but hidden somewhere in the Help Document. This tool is useless and I just waisted 6,99 €.
Pistonhead996 about
iNet Network Scanner, v1.3.3