my ($s,$e) = unpack 'N2',172.16.0.1 . 172.17.0.0;
printf("%vd\n",pack 'N',$_) for ($s..$e)
__DATA__
Range iterator outside integer range at test.pl line 2.
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This will fail on "real" addresses (that exceed integer range) as shown.

cheers

tachyon

s&&rsenoyhcatreve&&&s&n.+t&"$'$`$\"$\&"&ee&&y&srve&&d&&print