Figure 1 shows the Class A address specifics including: address block is from 0.0.0.0 to 127.0.0.0 with the caveat that 0.0.0.0 and 127.0.0.0 are reserved and cannot be assigned; default subnet mask is /8 or 255.0.0.0; the maximum number of networks is 128; the number of host per network is 16,777,214; the value of the first high order bit in the first octet is 0. Figure 2 shows the Class B address specifics including: address block is from 128.0.0.0 to 191.255.0.0; default subnet mask is /16 or 255.255.0.0; the maximum number of networks is 16,384; the number of host per network is 65,534; the value of the first two high order bit in the first octet is 1 and 0. Figure 3 shows the Class C address specifics including: address block is from 192.0.0.0 to 223.255.255.0; default subnet mask is /24 or 255.255.255.0; the maximum number of networks is 2,097,152; the number of host per network is 254; the value of the first three high order bit in the first octet is 110.