Abstract
Network Address Translation (NAT) routers aggregate the flows of multiple devices behind a single IP address. By doing so, NAT routers masquerade the original IP address, which is often viewed as a privacy feature, making it harder to identify the communication of individuals devices behind the NAT. De-NAT is the reverse process: re-identifying communication flowing into and out of the NAT. De-NAT can be used for traffic management, security, and lawful surveillance.
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