Classes of IP addresses (Part 3)
12:22
Public/Private IP addresses and subnet masks (Part 4)
8:47
What is subnetting and why to subnet
12:51
IP Addresses Explained | Cisco CCNA 200-301
10:08
Tricks to five classes of IPv4
5:50
IP addresses vs. phone numbers (Part 2)
16:32
How to Subnet a Network Part I
17:55
Subnet Mask - Explained
10:59