IP Addressing
IPv4, subnetting, IPv6, and public vs private address space.
1
IPv4 Addressing
ReadingRead IPv4 addresses, subnet masks, and CIDR notation—the language of routing.
15 min
+24 XP
2
Subnetting Basics
ReadingSplit networks with subnet masks and calculate usable host ranges.
15 min
+24 XP
3
IPv6 Introduction
ReadingWhy IPv6 exists, how addresses look, and what changes for defenders.
15 min
+24 XP
4
Public vs Private IP
ReadingRFC1918 private ranges, NAT, and why your home IP differs from your server's.
15 min
+24 XP
5
Quiz — IP Addressing
Practice Quiz10-question quiz on IPv4, subnets, IPv6, and public vs private IPs.
10 min
+24 XP