C is a class B address where the first two octets identify the network. Since none of the remaining bits are set, the all 0s indicates the network address for that subnet mask.
Bills-MacBook-Pro:~ lww$ ping 18.104.22.168
IMO, the question is bogus. Given an appropriate mask, 22.214.171.124 is a perfectly valid IP address. For example, 126.96.36.199/13 works just fine:...Really, CIDR has been around since 1992, can't we just forget about IP address classes already?