gistfile1.txt

[root@salt /usr/local/etc/salt/states]# salt 'cron.*' grains.get fqdn_ip4
cron.la.domain.com:
    - 172.16.20.10
[root@salt /usr/local/etc/salt/states]# cat hosts/test.sls 
{% if '172.16.20' in grains['fqdn_ip4'] %}
echo Part of the 20 Internal Network:
  cmd.run
{% elif '172.16.255' in grains['fqdn_ip4'] %}
echo Part of the 255 Internal Network:
  cmd.run 
{% else %}
echo ERROR - Unknown Network:
  cmd.run 
{% endif %}
[root@salt /usr/local/etc/salt/states]# salt 'cron.*' state.sls hosts.test 
cron.la.domain.com:
----------
          ID: echo ERROR - Unknown Network
    Function: cmd.run
      Result: True
     Comment: Command "echo ERROR - Unknown Network" run
     Changes:   
              ----------
              pid:
                  5119
              retcode:
                  0
              stderr:
                  
              stdout:
                  ERROR - Unknown Network

Summary
------------
Succeeded: 1
Failed:    0
------------
Total:     1
[root@salt /usr/local/etc/salt/states]#