How to Enable IPv6 on Router Safely
Enable IPv6 at the router, choose the WAN mode your ISP requires, advertise the delegated prefix to your LAN, verify every device, and troubleshoot missing addresses without weakening the firewall.
This category explains the addresses you meet online: public versus private IPs, IPv4 and IPv6, local addresses, and carrier-grade NAT. Start with public versus private IP addresses to understand why the address a website sees differs from the one your router gives your device. If you need to identify a device on your home network, read how to find your local IP address next; if your provider shares one public address across customers, continue with CGNAT. Private addresses are intended for local networks and are not routed across the public internet.
Use the lookup on this site to see your current public IP, then run the speed test to check the connection carrying it.
Understand public, private, IPv4, IPv6 and CGNAT addresses, plus practical ways to find the right IP on phones, computers and home networks.
Enable IPv6 at the router, choose the WAN mode your ISP requires, advertise the delegated prefix to your LAN, verify every device, and troubleshoot missing addresses without weakening the firewall.
Find the private IP your device uses on Wi-Fi or Ethernet, choose the right address, and troubleshoot missing or changing addresses without confusing it with your public IP.
A practical guide to public and private IP addresses: see how NAT connects them, find both on every major device, and choose the right address for local or internet tasks.
Most people do not need a static public IP. Learn when a dynamic address is enough, how to separate public from private IPs, and what to check before paying.
CGNAT lets an ISP share one public IPv4 address across many customers. Learn how to confirm it, distinguish double NAT, and choose the right fix.