Taking file with ip ranges, each on it's own line like:
cat ipranges.txt
213.87.86.160-213.87.86.193
213.87.87.0-213.87.88.255
91.135.210.0-91.135.210.255
command returns deaggregated ip ranges using ipcalc deaggregate feature like that:
213.87.86.160/27
213.87.86.192/31
213.87.87.0/24
213.87.88.0/24
91.135.210.0/24
Useful for configuring nginx geo module
Show Sample Output
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