Understanding IP Addresses
An IP (Internet Protocol) address is a unique numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. It serves two main functions: host or network interface identification and location addressing.
IPv4 vs IPv6
IPv4 (Internet Protocol version 4) is the most widely used version. It uses 32-bit addresses (e.g., 192.168.1.1). Due to the rapid growth of the internet, IPv4 addresses are running out. is the most widely used version. It uses 32-bit addresses (e.g., 192.168.1.1). Due to the rapid growth of the internet, IPv4 addresses are running out.
IPv6 (Internet Protocol version 6) was developed to deal with the long-anticipated problem of IPv4 address exhaustion. It uses 128-bit addresses (e.g., 2001:0db8:85a3:0000:0000:8a2e:0370:7334), allowing for a vastly larger number of specialized addresses. was developed to deal with the long-anticipated problem of IPv4 address exhaustion. It uses 128-bit addresses (e.g., 2001:0db8:85a3:0000:0000:8a2e:0370:7334), allowing for a vastly larger number of specialized addresses.
Public vs Private IP Addresses
Your public IP address is assigned by your ISP and is visible to the internet. This is the address that websites see when you visit them. is assigned by your ISP and is visible to the internet. This is the address that websites see when you visit them.
Your private IP address is used within your local network (LAN) to communicate with your router and other local devices. It is not visible to the outside world. is used within your local network (LAN) to communicate with your router and other local devices. It is not visible to the outside world.
Why Check Your IP?
- Network Troubleshooting: Verify connectivity and configuration. Verify connectivity and configuration.
- Remote Access: Find your address to connect to your home network remotely. Find your address to connect to your home network remotely.
- Security: Ensure you are not exposing your location if using a VPN or Proxy. Ensure you are not exposing your location if using a VPN or Proxy.
- Gaming & Hosting: Setup servers or whitelisting rules. Setup servers or whitelisting rules.