Before diving into subnetting math, you must understand how computers see IP addresses. Binary vs. Decimal
Start at .0 and count upward in increments of your Magic Number (64) until you reach 256. Network ID First Usable IP Last Usable IP Broadcast Address 192.168.1.0 192.168.1.1 192.168.1.62 192.168.1.63 Subnet 2 192.168.1.64 192.168.1.65 192.168.1.126 192.168.1.127 Subnet 3 192.168.1.128 192.168.1.129 192.168.1.190 192.168.1.191 Subnet 4 192.168.1.192 192.168.1.193 192.168.1.254 192.168.1.255 ip subnetting from zero to guru pdf
Modern networking uses , but understanding classes helps you understand the history. Before diving into subnetting math, you must understand
An IP address is not just a single identifier. It serves two distinct purposes simultaneously, much like a mailing address contains a street name and a house number. Before diving into subnetting math