C:\Documents and Settings\martyg\My Documents\my scripts\Perl>perl Iteratedriver.pl "172.<-{19..21}->.254.<-{2..3}->" "192.168.1.<-{1..3}->"
172.19.254.2
172.19.254.3
172.20.254.2
172.20.254.3
172.21.254.2
172.21.254.3
192.168.1.1
192.168.1.2
192.168.1.3
C:\Documents and Settings\martyg\My Documents\my scripts\Perl>