# data[].attributes.body
Given the following addresses, find the 1st address of the block the number of address in the block and the last address in the block
a) 123.56.77.32/29
b) 200.17.21.128/27
c) 17.34.16.0/23
d) 180.34.64.64/30

# data[].attributes.body
a) Given the address 23.56.7.91, find the  network address.
b) Given the address 132.6.17.85, find the network address.
c) Given the address 201.180.56.5 find the network address.

# data[].attributes.body
a) What is the subnetwork address if the destination address is 200.45.34.56 and the subnet mask is 255.255.240.0.