Assume a host computer has the following configuration: IP Address: 139.100.110.

Question

Assume a host computer has the following configuration: IP Address: 139.100.110.176 Subnet Mask: 255.255.0.0 Default Gateway: 139.100.1.1 a. What is the Class of this network? b. Has this network been sub-netted? How do you know? c. How many possible hosts would there be on the above network if all usable addresses were assigned (show your work)? d. How would this IP address be expressed using CIDR notation (show your work)? e. What is the range of the block of addresses this Host belongs to (show your work)?

Explanation / Answer

1) Class of network is A.. 2) Yes, the network is subnetted..As the default subnet mask for class A is not used.. 3) 2^11 = 2048 hosts can be there.. 4) CIDR notation -139.100.1.1/21 ....... 5) Range of block of address = 139.100.1.1 - 139.100.110.176

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