IP Subnetting Practice

IP Subnetting is at the core of the majority of IT jobs, exams and careers. You simply must understand how IP addressing for IPv4 and IPv6 works if you want to work in the world of IT.

Learn the easy way to subnet with our subnetting cheat chart. You learn Class A, B and C subnetting, fast subnetting, subnetting IPv6, CIDR, VLSM and more.

Study subnetting if you:

  • Plan to take an IT exam
  • Want to prepare for technical IT job interviews
  • Want to learn IP addressing
  • Want to support networks or computers
  • Intend to work in security, design, cloud or coding

Learn IP Subnetting

IP Subnetting is covered in most IT exams including Cisco, Microsoft, CompTIA, Juniper and more. You will be tested on IP Subnetting in technical job interviews and of course you will need to know an easy way to subnet if you want to solve real world issues when you are supporting live networks.

We take you by the hand and guide you through the entire subnetting process, from complete beginner to expert level. There are more than $400 worth of IP Subnetting practice tests included, as well as challenge questions to really drive home the lessons and methods you have learned.

This course is 100% hands-on training. If you want to learn IP subnetting theory, please visit our sister website howtonetwork.com.

What’s included:

  • IP subnetting addressing basics for IPv4 and IPv6
  • Binary and hexadecimal addressing (for exams)
  • Fast subnetting method for exams and job interviews
  • Network design principles
  • 200 IP subnetting practice test questions
  • Wildcard masks for access lists, firewalls and NAT
  • Network address summarization (for design and routing)
Module 1 Class C Networks
Unit 1 Welcome to the Course
Unit 2 192.168.1.1/26
Unit 3 192.168.1.100/26
Unit 4 192.168.1.100/27
Unit 5 192.168.1.211/27
Unit 6 192.168.1.77/28
Unit 7 192.168.1.210/28
Unit 8 200.100.100.30/29
Unit 9 200.100.100.250/29
Unit 10 193.200.100.41/30
Unit 11 192.200.100.41/31
Unit 12 210.200.100.145/25
Unit 13 200.20.10.45/26
Unit 14 220.20.10.199/27
Unit 15 199.99.10.87/28
Unit 16 200.99.30.171/29
Module 2 Class B Networks
Unit 1 172.16.100.100/17
Unit 2 172.16.200.100/17
Unit 3 128.160.22.111/18
Unit 4 130.160.222.1/18
Unit 5 140.60.212.12/19
Unit 6 160.160.160.160/20
Unit 7 190.1.150.110/21
Unit 8 191.100.15.1/22
Unit 9 128.100.19.11/23
Unit 10 136.10.40.111/24
Unit 11 186.30.30.41/25
Unit 12 150.130.20.121/26
Unit 13 131.60.50.1/27
Unit 14 142.160.40.35/28
Unit 15 128.10.10.54/29
Module 3 Class A Networks
Unit 1 10.10.10.54/9
Unit 2 20.100.11.11/10
Unit 3 40.50.101.121/12
Unit 4 120.150.1.2/14
Unit 5 10.10.14.25/16
Unit 6 100.23.4.2/18
Unit 7 110.120.140.29/18
Unit 8 124.60.190.25/20
Unit 9 14.40.140.85/22
Unit 10 30.20.10.89/24
Unit 11 3.210.30.177/25
Unit 12 125.10.250.221/27
Unit 13 100.100.210.46/28
Unit 14 90.10.22.17/29
Unit 15 70.100.212.85/30
Module 4 Network Design
Unit 1 192.168.1.0 2/126
Unit 2 192.168.1.0 4/62
Unit 3 200.18.2.0 8/30
Unit 4 221.1.22.0 16/14
Unit 5 198.10.122.0 30/6
Unit 6 210.100.0.0 ?/2
Unit 7 172.16.0.0 4/?
Unit 8 172.20.0.0 32/?
Unit 9 132.30.0.0 32/?
Unit 10 190.100.0.0 128/500
Unit 11 191.40.0.0 512/100
Unit 12 181.70.0.0 2000/30
Unit 13 10.0.0.0/21
Unit 14 10.0.0.0/23
Unit 15 10.0.0.0/17
Module 5 VLSM
Unit 1 Route Summarization 1
Unit 2 Route Summarization 2
Unit 3 VLSM 1
Unit 4 VLSM 2
Unit 5 VLSM 3
Unit 6 VLSM 4
Module 6 IPv6
Unit 1 Subnetting IPv6
Unit 2 Subnetting IPv6 2
Module 7 Practice Questions
Unit 1 Practice 1
Unit 2 Practice 2
Unit 3 Practice 3
Unit 4 Practice 4
Unit 5 Practice 5
Unit 6 Practice 6
Unit 7 Practice 7
Unit 8 Practice 8
Unit 9 Practice 9
Unit 10 Practice 10
Unit 11 Practice 11
Unit 12 Practice 12
Unit 13 Practice 13
Unit 14 Practice 14
Unit 15 Practice 15
Unit 16 Practice 16
Unit 17 Practice 17
Module 8 Practice Questions 2
Unit 1 Practice 18
Unit 2 Practice 19
Unit 3 Practice 20
Unit 4 Practice 21
Unit 5 Practice 22
Unit 6 Practice 23
Unit 7 Practice 24
Unit 8 Practice 25
Unit 9 Practice 26
Unit 10 Practice 27
Unit 11 Practice 28
Unit 12 Practice 29
Unit 13 Practice 30
Unit 14 Practice 31
Unit 15 Practice 32
Unit 16 Practice 33
Module 9 Practice Exams
Unit 1 Exam 1
Unit 2 Exam 2
Unit 3 Exam 3
Unit 4 Exam 4