Glossary term
What is CGNAT (Carrier-grade NAT)?
CGNAT stands for Carrier-grade NAT.
NAT done by your internet provider, so you sit behind a second layer of address sharing.
Learn it properly · Networking for DevelopersLesson 1: IP Addresses, Subnets, NAT and RoutingIPv4 and IPv6, CIDR notation worked by hand, private ranges, NAT, routing tables and how a packet finds its way.