what is the supernet (CIDR) address that summarizes these four Class B networks?

seenagape

11 years ago

Given these four Class B networks: 172.104.0.0, 172.105.0.0, 172.106.0.0, 172.107.0.0,
what is the supernet (CIDR) address that summarizes these four Class B networks?

A.
172.104.0.0/12

B.
172.104.0.0/13

C.
172.104.0.0/14

D.
172.104.0.0/15