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What choices do i have in choosing a LOCAL static IP address?

Ok so my current router/gateway is 192.168.1.1 so locally i set 5 computers up to: (example only)

192.168.1.20, .21, .22, .23, .24, .25.

No reading about routers and learning a bit about networking and setting them up i often see local static ip addresses of: (example only) 10.10.10.1 - 178.123.1.254 and other variations.

Theoretically can i use either of the above examples by changing my router address to lets say: 10.0.10.1. Or would this just screw up my connection. Do i have to have a 192 address if this was the default setup given by my isp?

Update:

Thanks top answer, cheers

1 Answer

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  • 9 years ago
    Favorite Answer

    There are three address ranges reserved for Local networks. These are defined by RFC 1918 and RFC 4193. For IPV4 addresses you can use the following ranges. 10.0.0.0 - 10.255.255.255 , 172.16.0.0-172.31.255.255, or 192.168.0.0-192.168.255.255. The 192 class C is used for most home systems because they normally don't need more than a few computers. The 10.0.0.0 class A allows 16,777,216 addresses! Most home system use a 255.255.255.0 as a subnet which is class C.

    You can use 10.0.10.0 and a 255.255.255.0 subnet if you like, there aren't any reasons you can't. You do want to use the private ranges!

    Look up "subnets" or "subnetting" for more information. But ask differently, what's wrong with 192.168.x.x ? They are only LOCAL addresses.

    Source(s): TL
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