Example 7: Classless Inter-Domain Routing (CIDR) (Super-netting)

Question:

IP                           : 10.255.50.7/17

Find the Network ID?

Answer:

/17 Means 17 Bits are Network Bits

Without Writing Mask, we are mentioning like this

Converting IP Address to Binary

                                                               50 – 00110010

IP and Subnet Mask in Binary

Network ID Rule ->           Network – Constant

                                           Host       - Zero’s

Make Host as 0's

Network ID is 10.255.0.0