Silicon Dojo - https://www.meetup.com/silicon-dojo-free-technology-education/
00:00 Introduction
01:46 What is an IP Address and Network
12:00 What is a Subnet Mask
14:07 Octets and Numbering
20:57 How to Subnet with Octets
27:03 Number of Hosts in a Subnet
29:55 Subnet Classes
40:36 Private Addresses
51:29 Final Thoughts