IP addresses1 min read
What is NAT? How every device at home shares one IP address
How network address translation works, why port forwarding is needed, how it relates to CGNAT, and why IPv6 doesn't need NAT.
#CGNAT
- IP addresses1 min read
Static vs dynamic IP: the difference, and which one you need
Why dynamic addresses change, what a static IP is good for, where CGNAT comes in and whether a home user really needs a fixed address.
- Privacy and security2 min read
What is CGNAT (carrier-grade NAT)?
Why your provider may be sharing one public IPv4 address with hundreds of customers, how to tell, and what it breaks.
- IP addresses2 min read
Public vs private IP addresses
Why your laptop's address starts with 192.168 while websites see something else — and what that means for connectivity and privacy.