Internet Protocol (IP)

Internet Protocol (IP) is a communication protocol that helps devices find each other on the internet.

IP handles routing and addressing to move data between devices across a network.

IPv4

The first version of IP as a standalone specification.

Uses a 32-bit address space. 

172.16.254.1
'http://localhost';     // "Just this device"
'http://192.168.0.1';   // The admin for the IP network (router/modem)
'http://192.168.0.107'; // The LAN IP address, with a device on port 107

IPv6

The newest version of IP.

Uses a 128-bit address space. 

2001:0db8:85a3:0000:0000:8a2e:0370:7334