Difference between Private and Public IP addresses

Computer EngineeringComputer NetworkMCA

Private IP Address and Public IP Address are used to uniquely identify a machine on the internet. Private IP address is used with a local network and public IP address is used outside the network. Public IP address is provided by ISP, Internet Service Provider.

Following are the important differences between Private IP Address and Public IP Address.

Sr. No.KeyPrivate IP AddressPublic IP Address
1ScopePrivate IP address scope is local to present network.Public IP address scope is global.
2CommunicationPrivate IP Address is used to communicate within the network.Public IP Address is used to communicate outside the network.
3FormatPrivate IP Addresses differ in a uniform manner.Public IP Addresses differ in varying range.
4ProviderLocal Network Operator creates private IP addresses using network operating system.ISP, Internet Service Provider controls the public IP address.
5CostPrivate IP Addresses are free of cost.Public IP Address comes with a cost.
6LocatePrivate IP Address can be located using ipconfig command.Public IP Address needs to be searched on search engine like google.
7RangePrivate IP Address range:
10.0.0.0 – 10.255.255.255,
172.16.0.0 – 172.31.255.255,
192.168.0.0 – 192.168.255.255
Except private IP Addresses, rest IP addresses are public.
8ExamplePrivate IP Address is like 192.168.11.50.Public IP Address is like 17.5.7.8.
raja
Published on 26-Nov-2019 11:48:43
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