How to Choose IP Range
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Networked computers connect to a router using a range of IP addresses. Choose your range with these tips.
Step 1: Know the ranges
Learn the three IP ranges: 192.168.0.0 to 192.168.255.255, 172.16.0.0 to 172.31.255.255, and 10.0.0.0 to 10.255.255.255.
Tip
Don’t use the 172.16 range, as it is hardly ever used and could cause problems along the way.
Step 2: Identify network size
Decide how large and complex your network is. A large network is more than 200 computers, and is likely to grow and branch off into multiple networks. A small network is fewer than 200 computers.
Step 3: Choose the small range
Choose the 192.168 range for small networks. This option will give you 256 IP Addresses.
Step 4: Use 10 for the large range
Use the 10.0.0.0 range for large networks.
Step 5: Avoid common ranges
Avoid using common ranges such as 10.0.0.0 to 10.0.0.255, 192.168.000 to 192.168.0.255, and 192.168.1.0 to 192.168.1.255. A common range makes it easier for a hacker to break into the network.
Did You Know?
Because of the number of digits in IP addresses, there are around four billion individual IP address possibilities, and they are rapidly running out.
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