IP Fundamentals
Everything about IP addresses. How they work, the different types, how geolocation maps them to physical locations, and how subnetting carves up the address space.
IPv4 vs IPv6: What's the Difference (And Why Should You Care)?
IPv4 uses 32-bit addresses (4.3 billion) while IPv6 uses 128-bit addresses (340 undecillion). Learn the key differences, …
Public vs Private IP Addresses: What's the Difference?
Public IP addresses are visible on the internet while private IPs only work within your local network. Learn the …
Static vs Dynamic IP Addresses: Which One Do You Have?
Static IP addresses stay the same forever, dynamic IPs change periodically. Learn the differences, pros and cons, costs, …
What Is a MAC Address? Your Device's Hardware Fingerprint
A MAC address is a unique hardware identifier for every network interface. Learn how MAC addresses work, where to find …
What Is a Subnet? Network Segmentation Made Simple
A subnet divides a larger network into smaller, manageable segments. Learn how subnetting works, why it matters, subnet …
What Is an IP Address? Your Complete, No-BS Guide
An IP address is a unique number assigned to every device on the internet. Learn how IP addresses work, the types, IPv4 …
What Is CIDR? Classless Inter-Domain Routing Explained
CIDR (Classless Inter-Domain Routing) replaces the old class-based IP system with flexible address allocation using …
What Is IP Geolocation? How Websites Know Where You Are
IP geolocation maps an IP address to a physical location. Learn how it works, how accurate it is, the databases behind …