/**
  * isMobileIp()
  *
  * #test isMobileIp1
  * <code>
  * #ok(sfMobileCarrierJP::isMobileIp("210.136.161.1")
  *  ,"210.136.161.1 is in mobile CIDR");
  * #false(sfMobileCarrierJP::isMobileIp("210.251.1.193")
  *  ,"210.251.1.193 is in mobile CIDR");
  * #ok(sfMobileCarrierJP::isMobileIp("210.146.60.240")
  *  ,"210.146.60.240 is in mobile CIDR");
  * #ok(sfMobileCarrierJP::isMobileIp("61.198.249.3")
  *  ,"61.198.249.3 is in mobile CIDR");
  * </code>
  *
  *
  */
 public static function isMobileIp($ip)
 {
     return sfMobileCarrierJP::isKtaiIp($ip) || sfMobileCarrierJP::isAirhphoneIp($ip);
 }