my $xp                  = XML::XPath->new(xml => $fpdomaininfo );
my $nodeset             = $xp->find('//cidr-map');
foreach my $node ($nodeset->get_nodelist) {
        my $node_name           = $node->findvalue ( '@name' ) -> string_value;
        my $ips_as_string       = $node->string_value;
... make changes to ips_as_string ...
}