code: public static boolean isInnerIP(String ipAddress) {
  		boolean isInnerIp = false;
  		long ipNum = NetUtil.ipv4ToLong(ipAddress);
  
  		long aBegin = NetUtil.ipv4ToLong("10.0.0.0");
  		long aEnd = NetUtil.ipv4ToLong("10.255.255.255");
  
  		long bBegin = NetUtil.ipv4ToLong("172.16.0.0");
  		long bEnd = NetUtil.ipv4ToLong("172.31.255.255");
  
  		long cBegin = NetUtil.ipv4ToLong("192.168.0.0");
  		long cEnd = NetUtil.ipv4ToLong("192.168.255.255");
  
  		isInnerIp = isInner(ipNum, aBegin, aEnd) || isInner(ipNum, bBegin, bEnd) || isInner(ipNum, cBegin, cEnd) || ipAddress.equals(LOCAL_IP);
  		return isInnerIp;
  	}
docs: 判定是否为内网IP<br>
  私有IP：A类 10.0.0.0-10.255.255.255 B类 172.16.0.0-172.31.255.255 C类 192.168.0.0-192.168.255.255 当然，还有127这个网段是环回地址
  
  @param ipAddress IP地址
  @return 是否为内网IP