Commonly known as localhost. You’ve might’ve seen it on a shirt of a geek as its numeric counterpart Packets through this interface will never leave the your network card.


The packets will be destined for a specific IP address.


The router will send the packets to multiple locations at the same time. Addresses in the range to are reserved for multicast. – are link-local addresses that cannot escape to the internet.

Limited Broadcast

Packets are sent to every computer on the same subnet. Example is

Directed Broadcast

Packets are sent to a specific subnet then broadcast across all hosts.

RFC 1918 / Private Network

The internet will not route these addresses. A NAT is normally used to convert it to a routable address prior to being sent.

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