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diff --git a/README.md b/README.md new file mode 100644 index 0000000..a6d547b --- /dev/null +++ b/README.md @@ -0,0 +1,31 @@ +## Description + +Netexpand will list every ip address in a given range, including broadcast and +network addresses. + +An example usage for this program might be to use it to calculate every rule in +a firewall that uses slash notation for subnets (for an audit perhaps). + + +## Example + +A simple example of calculating every ip address in the 127.0.0.1/16 range. + + $ netexpand 127.0.0.1/16 + 127.0.0.1 + 127.0.0.2 + 127.0.0.3 + 127.0.0.4 + 127.0.0.5 + 127.0.0.6 + 127.0.0.7 + ... + + +Another slightly more complex example of using a bash for loop to feed ipv4 +networks to netexpand for creating a complete list of all ips with rules in a +firewall. + + for i in $(cat fwnets.txt); do + netexpand ${i} + done |