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Stephen McQuay 7bb97c0b39
updated usage
10 months ago
LICENSE Initial commit 10 months ago Add readme 10 months ago
cidr.go check ranges bi-directionally 10 months ago
cidr_test.go Just copy code 10 months ago
main.go updated usage 10 months ago
wrangling.go Just copy code 10 months 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