Question

Give the prefix(es) to cover the IP addresses in range 10.20.30.0 - 10.20.37.255. If it is an invalid range, explain why.

Answer 1

The given ranges of IP addresses are belong to Privates IP addresses and Private address are not an invalid range always because Private IP address are in used but they are reserved for private networks.

If You have router that means you have a private IP address.

But yes there are some restriction with Private IP addresses as follows:-

1. Private IP addresses are:-

192.168.0.0 - 192.168.255.255

172.16.0.0 - 172.31.255.255

10.0.0.0 - 10.255.255.255

2.It cannot not use in WAN network.

3.Internet doesn’t run on private IP address.