%byIP = (
          '10.172.9.22/24' => [
                                'COMP2:eth1'
                              ],
          '10.172.1.1' => [
                            'COMP1:eth1_gw'
                          ],
          '10.172.10.21/24' => [
                                 'COMP1:eth2'
                               ],
          '10.172.9.21/24' => [
                                'COMP1:eth1'
                              ],
          '10.172.11.21/24' => [
                                 'COMP3:eth1',
                                 'COMP2:eth2'
                               ],
          '10.173.2.98/24' => [
                                'COMP3:eth3'
                              ],
          '10.172.13.21/24' => [
                                 'COMP3:eth2'
                               ]
        );