use NetAddr::IP;
my $n = NetAddr::IP->new('172.21.3.128/30' );
my $bits = $n->bits();
for my $ip( @{ $n->splitref( $bits ) } )
{
  print "\t", $ip->addr, "\n";
}

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In reply to Re^2: Iterating through all IP addresses in a CIDR by Anonymous Monk
in thread Iterating through all IP addresses in a CIDR by grinder

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