CIS 331: Network Introduction
Lehman College, City University of New York
Spring 2014
This Homework Is Due By 11:59 PM on Monday February 10, 2014
Given the following IP addresses (In Hexadecimal), identify (a) the Class, (b) the Network
ID, (c) the Host ID of the following IP Addresses, and (d) write each address in dotted
decimal notation:
697B8CBF
C97EBC25
7C4E2FDA
AC74CDDF
BF7DC58D
D18A6B7F
4F2E8BDF
87937FC3
CF796AFE
Exactly how many class A, B, and C networks can exist? Exactly how many hosts can a
network in each class have? How many possible addresses are possible in each class?
Be careful to allow for broadcast as well as class D and E addresses.
How many IP addresses would be needed to assign a unique IP address to every house in
the USA? The world? Is the IP address space sufficient? (Search the internet for reasonable
numbers of households in the USA and the world).
Please submit the completed assignment on Blackboard as a Microsoft Word file or a PDF file.
No other forms of submission will be accepted.