The subnet mask for a particular network is 255.255.31.0 . Which of the following pairs of IP addresses could belong to this network?
a) 172.57.88.62 and 172.57.87.23
b) 10.35.28.2 and 10.35.29.4
c) 191.203.31.87 and 191.234.31.88
d) 128.8.129.43 and 128.8.161.55
Explain briefly with valid points.