Let's Call These Class A
10.0.0.0/8 or 10.0.0.0 to 10.255.255.255
Let's Call These Class B
172.16.0.0 /12 or 172.16.0.0 to 172.31.255.255
Let's Call These Class C
192.168.0.0 /16 or 192.168.0.0 to 192.168.255.255
16 Million
975 Thousand
50 Thousand
Public Address – Routable on the internet
Not Routable on the internet, Just used inside a LAN