How do i find the IP range?

20 pts.
Tags:
IP address
IP addressing
IP range
Subnet
Subnet mask calculation
Subnetting
How do i find the IP range for 172.16.4.0/30?

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  • david2009
    Go to the following http://www.jodies.de/ipcalc enter the IP address = 172.16.4.0 /30. The IP range are between 172.16.4.1 and 172.16.4.2.
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  • Labnuke99
    Remember IP addresses are 32 bits. This means that a 30-bit subnet mask leaves only 2 bits unmasked. So, in this case 172.16.4.0 is the subnet and 172.16.4.1 and 172.16.4.2 are the only usable addresses. 172.16.4.3 would be the broadcast address for this subnet. This is typically used between a router and an internal edge device such as a firewall. You don't want other devices really on that link so a /30 subnet mask is used.
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  • Sayub
    Mr. Labnuke99 stated this answer very precisely.
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  • patrickScott12
    Another easy way to find IP address range is to use the subnet calculator.
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