Free MIB Browser / MIB Browser / SNMP Browser. MIB Browser iReasoning MIB browser is a powerful and easy-to-use tool powered by iReasoning SNMP API . MIB browser is an indispensable tool for engineers to manage SNMP enabled network devices and applications. It allows users to load standard, proprietary MIBs, and even some mal-formed MIBs. Use the MIB Walk tool to find out what MIBs and OIDs are supported on a particular device. MIB Walk uses the SolarWinds MIB database to determine the common, human-readable name for each OID and the MIB to which it belongs. SNMP communication must be enabled on the device. To walk the MIBs, you can use either the read-only or the read and write.