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What is 192.168.1.1?

 

192.168.1.1 is an IP address in the private IP address range 192.168.0.0 - 192.168.255.255.

Private IP addresses are special, because they can be utilized over and over again on different networks. In other words, both you and I can have 192.168.0.0/16 networks at the same time.The downside to this is that private IP address ranges are considered non-routable. That is to say, private IP addresses cannot communicate on the Internet without the use of Network Address Translation (NAT).

RFC 1918 defines three private IP address ranges:


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

192.168.1.1 as a Default IP Address

Many network devices, such as LinkSys routers, use 192.168.1.1 as their default IP address.

This can create difficulties, because two devices on a network cannot share one IP address. In other words, although you can have one device on your network at the IP address 192.168.1.1 and I can have a different device on my network at the IP address 192.168.1.1, neither of us can have two devices on our networks which both use the 192.168.1.1 IP address.

When adding a new device to your network, be certain that its default IP address is not already in use on your network.



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