'Sets up the regexp for parsing out IP addresses from the \'arp -an\'
command and pass it along to the parser function.
:return: Dictionary from the parsing funtion
:rtype: ``dict``'

def _parse_ip_table_arp(self, arp_output):

    arp_regex = re.compile('.*?\\((.*?)\\)    at    (.*?)\\s+')
    return self._parse_mac_addr_table(arp_output, arp_regex)
