Public IP addresses are assigned to devices on the Internet by ISPs and are routable on the global Internet. 192.168.1.1 is a private IP address used within a local network and not routable on the Internet. 169.254.0.1 is an Automatic Private IP Addressing (APIPA) address used when DHCP fails, and is not routable. 10.0.0.1 is a private IP address. 203.0.113.1 is within the range designated for documentation and exemplification, and it is commonly used as a public IP address in examples.