CIDR to IP

Convert CIDR notation to a range of IP addresses

This tool takes an IP address and CIDR netmask (e.g. 192.168.1.0/24), and lists all the IP addresses in that netblock. Someone at work needed a tool to do this, and there didn't seem to be one out there on the web already, so I wrote one. It won't do anything over a /16 in size, because I don't have the bandwidth or CPU time for anything bigger (be warned: asking for a /16 will give you a page that's about a megabyte in size).

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