Given IP  157 . 59 . 63 . 205 / 16  
#1. & 2.  Find the SubNetwork 

#3.  Find the First useable IP address  157 . 59 . 0 . 1 
#4.  Find the Broadcast address  157 . 59 . 255 . 255 
#5  Find the Last useable IP address  157 . 59 . 255 . 254 
#6.  What is the Total Number of IPs per Subnet?  65536 
#7.  How many useable Hosts address per subnet?  65534 
#8.  What is the Next Subnet Number?  157 . 60 . 0 . 0 
#9.  What IP Class is this?  Class B 
#10.  How many possible Subnetworks with this class?  Bits this Class = 16 Bits Subnet Mask= 16 2^ 0 = 1 