$urls{'networkid'}{'someidIdontknow'}='somevalue1';
$urls{'networkid2'}{'someidIdontknow2'}='somevalue2';
$urls{'networkid3'}{'someidIdontknow3'}='somevalue3';

##</code><code>##

foreach my $network (keys %urls) {
	foreach my $key (keys %$network) {
		print "$key<br/>";
	}
}