$VAR1 = {
          '10.1.7.142' => {
                          'counter' => 2,
                          'clusterstatus' => on,
                          }, 
           '10.1.7.11' => {
                          'counter' => 3,
                          'clusterstatus' => off,
                          }, 
           '10.1.7.112' => {
                          'counter' => 3,
                          'clusterstatus' => on,
                          }, 
       };

##</code><code>##

[%  FOREACH ip = data %]

this is ip [% ip %] counter is [% ip.counter %]

[% END %]

##</code><code>##

this is ip is HASH(0x9c68328) counter is 
this is ip is HASH(0x9c62e68) counter is 
this is ip is HASH(0x9c62d0c) counter is 

##</code><code>##

in the same object:

          'ips' => [
                     '10.1.7.142',
                     '10.1.7.11',
                     '10.1.7.112'
                   ],

##</code><code>##

[%  FOREACH ip in ips %]

this is ip is [% ip %] counter is [% ip.counter %]

[% END %]