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I know there are so many tools to calculate a network range starting from an IP and its mask (192.168.1.0/24) but do you know an online tool to calculate the mask starting from first and last IP available?

For example I have these IPs and nothing more: 79.0.0.0 - 79.7.255.255 How can I calculate the mask? (it's /13 in this case).

Thanks

michelem
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1 Answers1

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This should be what you're looking for:

Mask calculator

Fll in the IP range or block and the calculator will display the network IP in CIDR notation, usable IPs, IP broadcast address, network mask, and wildcard mask.

Adi Dembak
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