A computer on the
Internet is identified by its IP address. In order to avoid address
conflicts, IP addresses are publicly registered with the Network
Information Centre (NIC). Computers on private TCP/IP LANs however do
not need public addresses, since they do not need to be accessed by the
public. For this reason, the NIC has reserved certain addresses that
will never be registered publicly. These are known as private IP
addresses, and are found in the following ranges:
- From 10.0.0.0 to 10.255.255.255
- From 172.16.0.0 to 172.31.255.255
- From 192.168.0.0 to 192.168.255.255
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