{"id":176410,"date":"2025-09-07T18:48:55","date_gmt":"2025-09-07T16:48:55","guid":{"rendered":"https:\/\/www.islabit.com\/en\/?p=176410"},"modified":"2025-09-07T18:49:00","modified_gmt":"2025-09-07T16:49:00","slug":"public-ip-or-cg-nat-how-to-identify-yours","status":"publish","type":"post","link":"https:\/\/www.islabit.com\/en\/176410\/public-ip-or-cg-nat-how-to-identify-yours.html","title":{"rendered":"Public IP or CG-NAT how to identify yours"},"content":{"rendered":"\n

At the moment, a lot of Internet operators use the CG-NAT<\/strong> feature for their optical fiber networks. You may be using a Public IP or the CG-NAT function, also known as CGN or Carrier-Grade NAT. The latter provides clients with a non-routing private address for the Internet instead of a public one that can be tracked. If you are using a CG-NAT IP you won\u2019t be able to use any other server on your home or office. The reason is that the feature requires setting your ports for a redirection.<\/p>\n

CG-NAT implies the use of two NAT, one from your router and additional one that the operator gives you. In this article you will learn how to identify if your operator gives you a Public IP or a CG-NAT and how to work with these type of addresses.<\/p>\n\n\n\n

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