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.

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

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 practice exams included, as well as challenge questions to really drive home the lessons and methods you have learned.

What’s included:

  • IP addressing basics for IPv4 and IPv6
  • Binary and hexadecimal addressing (for exams)
  • Super-fast subnetting method for exams and job interviews
  • Network design principles
  • Wildcard masks for access lists, firewalls and NAT
  • Network address summarization (for design and routing)
Module 1Class C Networks
Unit 1Welcome to the Course
Unit 2192.168.1.1/26
Unit 3192.168.1.100/26
Unit 4192.168.1.100/27
Unit 5192.168.1.211/27
Unit 6192.168.1.77/28
Unit 7192.168.1.210/28
Unit 8200.100.100.30/29
Unit 9200.100.100.250/29
Unit 10193.200.100.41/30
Unit 11192.200.100.41/31
Unit 12210.200.100.145/25
Unit 13200.20.10.45/26
Unit 14220.20.10.199/27
Unit 15199.99.10.87/28
Unit 16200.99.30.171/29
Module 2Class B Networks
Unit 1172.16.100.100/17
Unit 2172.16.200.100/17
Unit 3128.160.22.111/18
Unit 4130.160.222.1/18
Unit 5140.60.212.12/19
Unit 6160.160.160.160/20
Unit 7190.1.150.110/21
Unit 8191.100.15.1/22
Unit 9128.100.19.11/23
Unit 10136.10.40.111/24
Unit 11186.30.30.41/25
Unit 12150.130.20.121/26
Unit 13131.60.50.1/27
Unit 14142.160.40.35/28
Unit 15128.10.10.54/29
Module 3Class A Networks
Unit 110.10.10.54/9
Unit 220.100.11.11/10
Unit 340.50.101.121/12
Unit 4120.150.1.2/14
Unit 510.10.14.25/16
Unit 6100.23.4.2/18
Unit 7110.120.140.29/18
Unit 8124.60.190.25/20
Unit 914.40.140.85/22
Unit 1030.20.10.89/24
Unit 113.210.30.177/25
Unit 12125.10.250.221/27
Unit 13100.100.210.46/28
Unit 1490.10.22.17/29
Unit 1570.100.212.85/30
Module 4Network Design
Unit 1192.168.1.0 2/126
Unit 2192.168.1.0 4/62
Unit 3200.18.2.0 8/30
Unit 4221.1.22.0 16/14
Unit 5198.10.122.0 30/6
Unit 6210.100.0.0 ?/2
Unit 7172.16.0.0 4/?
Unit 8172.20.0.0 32/?
Unit 9132.30.0.0 32/?
Unit 10190.100.0.0 128/500
Unit 11191.40.0.0 512/100
Unit 12181.70.0.0 2000/30
Unit 1310.0.0.0/21
Unit 1410.0.0.0/23
Unit 1510.0.0.0/17
Module 5VLSM
Unit 1Route Summarization 1
Unit 2Route Summarization 2
Unit 3VLSM 1
Unit 4VLSM 2
Unit 5VLSM 3
Unit 6VLSM 4
Module 6IPv6
Unit 1Subnetting IPv6
Unit 2Subnetting IPv6 2
Module 7Practice Questions
Unit 1Practice 1
Unit 2Practice 2
Unit 3Practice 3
Unit 4Practice 4
Unit 5Practice 5
Unit 6Practice 6
Unit 7Practice 7
Unit 8Practice 8
Unit 9Practice 9
Unit 10Practice 10
Unit 11Practice 11
Unit 12Practice 12
Unit 13Practice 13
Unit 14Practice 14
Unit 15Practice 15
Unit 16Practice 16
Unit 17Practice 17
Module 8Practice Questions 2
Unit 1Practice 18
Unit 2Practice 19
Unit 3Practice 20
Unit 4Practice 21
Unit 5Practice 22
Unit 6Practice 23
Unit 7Practice 24
Unit 8Practice 25
Unit 9Practice 26
Unit 10Practice 27
Unit 11Practice 28
Unit 12Practice 29
Unit 13Practice 30
Unit 14Practice 31
Unit 15Practice 32
Unit 16Practice 33
Module 9Practice Exams
Unit 1Exam 1
Unit 2Exam 2
Unit 3Exam 3
Unit 4Exam 4