Routing Table — Router R1

Output of show ip route · destination = 10.4.17.42

Routing table

Codes: S - Static, C - Connected, D - EIGRP, O - OSPF, B - BGP

Gateway of last resort is 192.0.2.1 to network 0.0.0.0

S*   0.0.0.0/0           [1/0]   via 192.0.2.1
B    10.0.0.0/8          [200/0] via 192.0.2.9
O    10.4.0.0/16         [110/2] via 198.51.100.7
O    10.4.16.0/22        [110/3] via 203.0.113.2
S    10.4.16.0/24        [1/0]   via 198.51.100.42
S    192.168.0.0/16      [1/0]   via 198.51.100.99
C    198.51.100.0/24     is directly connected, FastEthernet0/0
C    203.0.113.0/24      is directly connected, FastEthernet0/1

Quick binary check

10.4.17.42 = 00001010.00000100.00010001.00101010

/22 mask cuts after 22 bits → matches network 10.4.16.0/22 (range 10.4.16.0 – 10.4.19.255). /24 covers 10.4.16.0–255 only.