Which of the following is a class $B$ host address ?
First Octate define the range of classfull network
First few bit of first octate define the class full network. if first two bit (10) then it is class B,
130 is in range between 128 ....191
184.108.40.206 Class b address
For class B addressing it should start with “10”
Hence only for option B, it starts with 10 Thus option B is the answer