Public IPv4 vs CGNAT (Carrier-Grade NAT)
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://ipfyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://ipfyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://ipfyi.com/entity//)Use the native HTML custom element.
IP Addressing
Public IPv4
CGNAT
개요
Compare having a public IPv4 address with being behind carrier-grade NAT. Port forwarding, gaming, self-hosting, and IPv4 exhaustion.
관련 용어
관련 비교 — IP Addressing
Compare the two versions of the Internet Protocol. Address space, header format, security, auto-configuration, and …
Public vs Private IP Addresses Public IP vs Private IPUnderstand the difference between internet-routable public IPs and local network private IPs (RFC 1918). NAT, …
Static vs Dynamic IP Addresses Static IP vs Dynamic IPCompare fixed and automatically assigned IP addresses. DHCP, use cases for servers vs clients, cost, …
NAT vs PAT NAT vs PATCompare Network Address Translation types. One-to-one static NAT vs many-to-one port-based NAT (overloading) and their …
Subnet Mask vs CIDR Notation Subnet Mask vs CIDRCompare two ways to express network boundaries. Dotted-decimal masks vs slash notation, classful vs classless …
Unicast vs Multicast vs Broadcast Unicast vs MulticastCompare three IP communication models. One-to-one, one-to-many, and one-to-all delivery methods, their addresses, and applications.