code: def _detect(ip, _isnm):
      
      ip = str(ip)
      if len(ip) > 1:
          if ip[0:2] == '0x':
              if _CHECK_FUNCT[IP_HEX][_isnm](ip):
                  return IP_HEX
          elif ip[0] == '0':
              if _CHECK_FUNCT[IP_OCT][_isnm](ip):
                  return IP_OCT
      if _CHECK_FUNCT[IP_DOT][_isnm](ip):
          return IP_DOT
      elif _isnm and _CHECK_FUNCT[NM_BITS][_isnm](ip):
          return NM_BITS
      elif _CHECK_FUNCT[IP_DEC][_isnm](ip):
          return IP_DEC
      elif _isnm and _CHECK_FUNCT[NM_WILDCARD][_isnm](ip):
          return NM_WILDCARD
      elif _CHECK_FUNCT[IP_BIN][_isnm](ip):
          return IP_BIN
      return IP_UNKNOWN
docs: Function internally used to detect the notation of the
      given IP or netmask.