ZeroTier Download About Pricing Solutions Connect Devices and VMs Create and Manage Networks Connect Apps and IoT Learn Manual Knowledge Base Community Open Source Enterprise Support Blog Login The State of NAT Traversal Adam Ierymenko / 2014-08-25 For those who don't know, NAT stands for Network Address Translation . If you're on a typical network, your system probably has an IP address like 10.1.2.3 or 192.168.0.66 . These are private IPs. They are not your real Internet IP address . Between you and the network there is a device called a "NAT router" that performs intelligent address translation back and forth. NAT was invented because IPv4, the IP scheme that still runs most Internet sites, has an address space that is too small to allow all devices to have "real" addresses. Its successor, known as IPv6, does not have this limitation but is still fairly e...