from 200.184.31.70/1713 to 168.49.127.83/80 on interface
from 66.65.121.23/500 to 168.49.143.217/500 on interface 
from 208.40.56.131 to 168.49.123.100 on interface

##</code><code>##

$inLine =~ /([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+(\/[0-9]+)?)[\w]*([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+(\/[0-9]+)?)/