"network address translation"[1] Basically, multiple devices access the Internet through a gateway that uses a single ip address, using different ports to map

"network address translation"[1] Basically, multiple devices access the Internet through a gateway that uses a single ip address, using different ports to map back to the local ip address. [1]: https://en.m.wikipedia.org/wiki/Network_address_translation https://en.m.wikipedia.org/wiki/Network_address_translation