This is how it should look:
Port Forwarding:
----------------------------------------------------------
Protocol: TCP
Public Port: 6112
Local Port: 6112
Local Ip Address: 192.168.1.3
Comment: battle.net1
Protocol: UDP
Public Port: 6112
Local Port: 6112
Local Ip Address: 192.168.1.3
Comment: battle.net1
----------------------------------------------------------
Protocol: TCP
Public Port: 6113
Local Port: 6113
Local Ip Address: 192.168.1.4
Comment: battle.net2
Protocol: UDP
Public Port: 6113
Local Port: 6113
Local Ip Address: 192.168.1.4
Comment: battle.net2
----------------------------------------------------------
Protocol: TCP
Public Port: 6114
Local Port: 6114
Local Ip Address: 192.168.1.5
Comment: battle.net3
Protocol: UDP
Public Port: 6114
Local Port: 6114
Local Ip Address: 192.168.1.5
Comment: battle.net3
And so on...