IP地址段划分与计算工具：基于255个网段的起止IP处理

package iphandle.util;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 处理IP段的各种方法
 *
 */
public class IpSegmentUtil {
public static void main(String[] args) {
IpSegmentUtil util=new IpSegmentUtil();
testgetNetPageBetweenIps();
//System.out.println("---value is:"+getNetPageBetweenIps("192.167.2.254","192.168.255.1"));

//System.out.println("the long value is:"+getNetPageBetweenIps( "192.168.255.255", "192.168.1.1"));
}
public static void testgetNetPageBetweenIps(){
String startIp="199.168.255.0";
String endIp="199.168.255.5";
long total=getNetPageBetweenIps(startIp,endIp);
System.out.println("---total is:"+total);
String currentSeg="";
if(total==1){
currentSeg=getCurrentPageNetSegments(startIp, endIp, total, 1);
System.out.println("---currentSeg is:"+currentSeg);
}else{
for(int i=1;i<=total;i++){

if(10<i&&i<(total-10)){
continue;
}
currentSeg=getCurrentPageNetSegments(startIp, endIp, total, i);
System.out.println("---currentSeg in total is:"+currentSeg);
}
}
}
/**
 * AAA.BBB.CCC.DDD根据DDD每255个进行划分，获取可以划分的个数
 * @param startIp
 * @param endIp
 * @return
 */
public static long getNetPageBetweenIps(String startIp,String endIp){
String[] start=startIp.split("\\.");
String[] end=endIp.split("\\.");
String startZero=start[0]+"."+start[1]+"."+start[2]+"."+"0";//网段补齐
String end255=end[0]+"."+end[1]+"."+end[2]+"."+"255";
System.out.println("---startIp is:"+startIp+"---endIp is:"+endIp);
System.out.println("---startZero is:"+startZero+"---end255 is:"+end255);
long startL=ipToLong(startZero);
long endL=ipToLong(end255);
long scopBetween=endL-startL+1;
long page=scopBetween/256;
if(scopBetween%256 != 0){
//log.error("produce problem when operator pageNum");
System.out.print("operator have problem:"+scopBetween%256);
}
System.out.println("pageNum is:"+page);