Gateway of last resort is not set
10.0.0.0/24 is subnetted, 1 subnets
C 10.10.10.0 is directly connected, Ethernet0
20.0.0.0/24 is subnetted, 1 subnets
B 20.20.20.0 [200/0] via 172.16.0.2, 01:59:32
30.0.0.0/24 is subnetted, 1 subnets
B 30.30.30.0 [200/0] via 172.17.0.2, 01:59:16
C 172.16.0.0/16 is directly connected, Serial0
C 172.17.0.0/16 is directly connected, Serial1
I 172.18.0.0/16 [100/10476] via 172.16.0.2, 00:00:01, Serial0
[100/10476] via 172.17.0.2, 00:00:19, Serial1