Java如何获取一个IP段内的所有IP地址

 using System;
 using System.Collections;
 
  namespace ConsoleApplicationForTest
  {
      class Program
      {
          static void Main(string[] args)
          {
            string startIP = "10.1.1.1";
             string endIP = "10.2.3.4";
 
             long lsIP = ToHex(startIP);
             long leIP = ToHex(endIP);
 
             SortedList list = new SortedList();
 
             for (; lsIP < leIP; lsIP++)
             {
                 string temp = ToIp(lsIP);
                 list.Add(temp, temp);
             }
         }
 
         /// <summary>
 /// 将IP地址转换成数值形式
 /// </summary>
 /// <param name="ip"></param>
 /// <returns>长整形</returns>
         public static long ToHex(string ip)
         {
             string[] arrIP = ip.Split('.');
             for (int i = 0; i < arrIP.Length; i++)
             {
                 arrIP[i] = int.Parse(arrIP[i]) > 255 ? Convert.ToString(255).PadLeft(2, '0') : arrIP[i] = Convert.ToString(int.Parse(arrIP[i]), 16).PadLeft(2, '0');
             }
             ip = string.Join("", arrIP);
 
             long hexIP = long.Parse(ip, System.Globalization.NumberStyles.HexNumber);
             return hexIP;
         }
 
         /// <summary>
 /// 将数值形式转换成IP地址
 /// </summary>
 /// <param name="l"></param>
 /// <returns>IP地址</returns>
         public static string ToIp(long l)
         {
             var bt = new long[4];
             for (int i = 0; i < 4; i++)
             {
                 bt[3 - i] = (long)(l >> 8 * i & 255);
             }
 
             string ipAddress = string.Join(".", bt);
             return ipAddress;
         }
     }
60 }

using System;
using System.Net;
  
  namespace ConsoleApplicationForTest
  {
      public class IpDigitCovert
      {
          /// <summary>
  /// 将IP地址转为数值形式
 /// </summary>
 /// <returns>长整数</returns>
         public static long ToDigit(IPAddress ip)
         {
             int x = 3;
             long l = 0;
             foreach (byte b in ip.GetAddressBytes())
             {
                 l += (long)b << 8 * x;
             }
             return l;
         }

         /// <summary>
/// 将数值转换为IP地址
 /// </summary>
 /// <returns>IP地址</returns>
         public static IPAddress ToIP(long l)
         {
             var bt = new byte[4];
             for (int i = 0; i < 4; i++)
             {
                 bt[3 - i] = (byte)(l >> 8 * i & 255);
             }
            return new IPAddress(bt);
         }
 
         /// <summary>
 /// 将IP地址转为数值形式
 /// </summary>
 /// <param name="ip"></param>
 /// <returns>长整数</returns>
         public static long ToHex(string ip)
         {
             string[] arrIP = ip.Split('.');
             for (int i = 0; i < arrIP.Length; i++)
             {
                 arrIP[i] = int.Parse(arrIP[i]) > 255 ? Convert.ToString(255).PadLeft(2, '0') : arrIP[i] = Convert.ToString(int.Parse(arrIP[i]), 16).PadLeft(2, '0');
             }
             ip = string.Join("", arrIP);

             long hexIP = long.Parse(ip, System.Globalization.NumberStyles.HexNumber);
             return hexIP;
         }
 
         /// <summary>
 /// 将数值形式转为IP地址
 /// </summary>
 /// <param name="l"></param>
 /// <returns>ip地址</returns>
         public static string ToIp(long l)
         {
             var bt = new long[4];
             for (int i = 0; i < 4; i++)
             {
                 bt[3 - i] = (long)(l >> 8 * i & 255);
             }
             string ipAddress = string.Join(".", bt);
             return ipAddress;
         }
 
     }
 }

import java.util.ArrayList;
import java.util.List;
import java.net.InetAddress;
import java.io.UnsupportedEncodingException;
 
public class IpRangeCalculator {
    public static String[] calculateIpRange(String startIp, String endIp) {
        try {
            InetAddress startInetAddress = InetAddress.getByName(startIp);
            InetAddress endInetAddress = InetAddress.getByName(endIp);
 
            byte[] startBytes = startInetAddress.getAddress();
            byte[] endBytes = endInetAddress.getAddress();
 
            List<String> ipList = new ArrayList<>();
 
            for (int i = 0; i < startBytes.length; i++) {
                for (int j = Integer.parseInt(startIp.split("\\.")[i]); j < Integer.parseInt(endIp.split("\\.")[i]); j++) {
                    byte[] tempBytes = startBytes.clone();
                    tempBytes[i] = (byte) j;
                    ipList.add(InetAddress.getByAddress(tempBytes).getHostAddress());
                }
            }
 
            return ipList.toArray(new String[0]);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }
 
    public static void main(String[] args) {
        String startIp = "192.168.1.1";
        String endIp = "192.168.1.5";
        String[] ipRange = calculateIpRange(startIp, endIp);
 
        for (String ip : ipRange) {
            System.out.println(ip);
        }
    }
}