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Stephen McQuay 7bb97c0b39
updated usage
6 years ago
LICENSE Initial commit 6 years ago Add readme 6 years ago
cidr.go check ranges bi-directionally 6 years ago
cidr_test.go Just copy code 6 years ago
main.go updated usage 6 years ago
wrangling.go Just copy code 6 years ago


This tool reports ip address ranges for a collection of CIDRs, and then reports if there is any overlap.

The official package name is


# prints range
$ cidr              256

# range plus no error for overlap:
$ cidr              256              256

# error on overlap
$ cidr              256                  1
overlaping networks: overlaps with
$ cidr              256          65536
overlaping networks: overlaps with