0 192.168.0.1 255.255.255.255 192.168.0.1 2
1 192.168.1.1 255.255.255.255 192.168.1.1 8
2 192.168.2.1 255.255.255.255 192.168.2.1 20
3 192.168.3.1 255.255.255.255 192.168.3.1 80
4 192.168.1.0 255.255.255.0 192.168.1.255 4
15 0.0.0.0 0.0.0.0 192.168.3.255 40 
