subneting
========================27-10-2019 -==========================================
Subnetting Cisco CCNA -Part 1 The Magic Number
https://youtu.be/a84XIopJFXs
https://youtu.be/84-zNmomYzk
https://youtu.be/-kAhTal4bNk
Solving Subnetting Questions for the Cisco CCNA - 1
https://youtu.be/D-l7KAf31NM
IPv4 Subnetting Practice for the CCNA
https://youtu.be/HuLcsCH4V-c
https://www.subnetting.net/Subnetting.aspx?mode=practice
---------------------------------------------------
Classless_Inter-Domain_Routing
https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing
RFC 4632 in 2006.[
CIDR notation
=======================27-10-2019 -==========================================
ip subnet calculator
http://www.subnet-calculator.com/
https://www.tunnelsup.com/subnet-calculator/
https://www.site24x7.com/tools/ipv4-subnetcalculator.html
Simplify Routing with Subnetting: How to Organize Your Network Into Smaller Subnets
=====================================================
CLASS B
THE ONE THE ONLY GROUCHO
ClassB Subnet
Funniest George Carlin Bit Ever
https://youtu.be/uiKxQRf3Vws