which address range efficiently summarizes the routing table of the addresses for router main? admin 11 years ago Refer to the exhibit. which address range efficiently summarizes the routing table of the addresses for router main? A. 172.16.0.0/18 B. 172.16.0.0/16 C.172.16.0.0/20 D. 172.16.0.0/21 ← Previous question Next question →