NET1014 Lab 9-Calculate IPv4 Subnets Objectives Solution

Lab - Calculate IPv4 Subnets
Objectives
Part 1: Determine IPv4 Address Subnetting Part 2: Calculate IPv4 Address Subnetting
Background / Scenario
The ability to work with IPv4 subnets and determine network and host information based on a given IP address and subnet mask is critical to understanding how IPv4 networks operate. The first part is designed to reinforce how to compute network IP address information from a given IP address and subnet mask. When given an IP address and subnet mask, you will be able to determine other information about the subnet.
• 1 PC (Windows with Internet access)
• Optional: IPv4 address calculator
Instructions
Fill out the tables below with appropriate answers given the IPv4 address, original subnet mask, and new subnet mask.
Problem 1:
Given:
Host IP Address: 192.168.200.139
Original Subnet Mask 255.255.255.0
New Subnet Mask: 255.255.255.224

Find:
Number of Subnet Bits blank
Number of Subnets Created blank
Number of Host Bits per Subnet blank
Number of Hosts per Subnet blank
Network Address of this Subnet blank
IPv4 Address of First Host on this Subnet blank
IPv4 Address of Last Host on this Subnet blank
IPv4 Broadcast Address on this Subnet blank
Problem 2:
Given:
Host IP Address: 10.101.99.228
Original Subnet Mask 255.0.0.0
New Subnet Mask: 255.255.128.0
Find:
Number of Subnet Bits blank
Number of Subnets Created blank
Number of Host Bits per Subnet blank
Number of Hosts per Subnet blank
Network Address of this Subnet blank
IPv4 Address of First Host on this Subnet blank
IPv4 Address of Last Host on this Subnet blank
IPv4 Broadcast Address on this Subnet blank

Find:
Number of Subnet Bits blank
Number of Subnets Created blank
Number of Host Bits per Subnet blank
Number of Hosts per Subnet blank
Network Address of this Subnet blank
IPv4 Address of First Host on this Subnet blank
IPv4 Address of Last Host on this Subnet blank
IPv4 Broadcast Address on this Subnet blank
Problem 3:
Given:
Host IP Address: 172.22.32.12
Original Subnet Mask 255.255.0.0
New Subnet Mask: 255.255.224.0

Problem 4:
Given:
Host IP Address: 192.168.1.245
Original Subnet Mask 255.255.255.0
New Subnet Mask: 255.255.255.252
Find:
Number of Subnet Bits blank
Number of Subnets Created blank
Number of Host Bits per Subnet blank
Number of Hosts per Subnet blank
Network Address of this Subnet blank
IPv4 Address of First Host on this Subnet blank
IPv4 Address of Last Host on this Subnet blank
IPv4 Broadcast Address on this Subnet blank

Find:
Number of Subnet Bits blank
Number of Subnets Created blank
Number of Host Bits per Subnet blank
Number of Hosts per Subnet blank
Network Address of this Subnet blank
IPv4 Address of First Host on this Subnet blank
IPv4 Address of Last Host on this Subnet blank
IPv4 Broadcast Address on this Subnet blank
Problem 5:
Given:
Host IP Address: 128.107.0.55
Original Subnet Mask 255.255.0.0
New Subnet Mask: 255.255.255.0

Problem 6:
Given:
Host IP Address: 192.135.250.180
Original Subnet Mask 255.255.255.0
New Subnet Mask: 255.255.255.248

Find:
Number of Subnet Bits blank
Number of Subnets Created blank
Number of Host Bits per Subnet blank
Number of Hosts per Subnet blank
Network Address of this Subnet blank
IPv4 Address of First Host on this Subnet blank
IPv4 Address of Last Host on this Subnet blank
IPv4 Broadcast Address on this Subnet blank
Reflection Question
Why is the subnet mask so important when analyzing an IPv4 address?
Type your answers here.
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