ccmHistoryEventCommandSourceAddress 1.3.6.1.4.1.9.9.43.1.1.6.1.10

If ccmHistoryEventTerminalType is 'virtual', the internet address of the connected system. If ccmHistoryEventCommandSource is 'snmp', the internet address of the requester. The value is 0.0.0.0 if not available or not applicable.