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Private IP address rangeĪccording to standards set forth in Internet Engineering Task Force (IETF) document RFC-1918, the Internet Assigned Numbers Autority (IANA) has reserved the following IPv4 address ranges for private internets, so they are not publicly routable on the global Internet: 10.0.0.0 – 10.255.255.255ġ92.168.0.0 – 192.168.255.255 How to find the current IP address on your Mac And the range of the private IP addresses sharing the same public IP address is divided by the subnet mask. However, their private IP addresses are slightly different, and are usually automatically assigned by your wireless router when they connect to your Home’s Wi-Fi.īriefly speaking, The public IP address is basically provided by your ISP (Internet Serivce Provider), while the private IP address for each device in the same network is often assigned by a router. If all of your devices are connected to the same wireless router in your home, they will share the same public IP address when they go online. In other words, the public IP address is global.

In constrast, the public IP address is used to communicate outside the local network. The private IP address is used to communitcate within the same (local) network. IP addresses are divided into public IP addresses and private IP addresses. Here are some examples of IPv4 and IPv6 address: IPv4 address examples:Ģ001:db8:3333:4444:CCCC:DDDD:EEEE:FFFF Private IP address & public address If you see an IP address that contains a longer series of numbers and letter, and it’s divided by seven columns, it’s a different type of IP address called IPv6. Most IP addresses are IPv4 addresses, which looks like a series of numbers separated by three periods. The IP address identifies each device across the Internet or a network. a computer or a smartphone, etc.) connected to a computer network that uses the Internet Protocol for communication. Using a proxy server or a VPN to change the public IP addressĪn Internet Protocol (IP) address is the unique number assigned to a network device (e.g.Using DHCP to change the private IP address.