package?test;

import?java.io.ByteArrayOutputStream;
import?java.io.DataOutputStream;
import?java.io.IOException;
import?java.util.ArrayList;
import?java.util.Iterator;
import?java.util.List;
import?inet.ipaddr.IPAddress;
import?inet.ipaddr.IPAddressString;
import?inet.ipaddr.ipv4.IPv4Address;

public?class?TestIpAddr?{

	public?static?void?main(String[]?args)?{

		//ip轉(zhuǎn)bigint
		IPAddress?address?=?new?IPAddressString("192.168.1.1").getAddress()?;
		System.out.println(?address.getValue()??);
		
		//?bigint轉(zhuǎn)ip
		System.out.println(String.join(".",new?IPv4Address(toByteArray(3232235777L)).getSegmentStrings()));

		//獲取子網(wǎng)
		List?subnetList?=?getSubnetList("192.168.1.1/255.255.252.0");
		
		for(int?i=0;i?getSubnetList?(String?ipAddr){

????????IPAddress?address?=?new?IPAddressString(ipAddr).getAddress();
????????int?prefixLength=address.toAddressString().getNetworkPrefixLength();

????????List?subnetList?=?new?ArrayList();

????????IPAddress?subnet?=?address.applyPrefixLength(prefixLength).toPrefixBlock();
????????Iterator?iterator?=?subnet.iterator();
????????
????????while?(iterator.hasNext())?{
????????????subnetList.add(iterator.next().toCanonicalWildcardString());
????????}
????????subnetList.remove(0);
????????subnetList.remove(subnetList.size()-1);
????????return??subnetList;
????}
????

}

jar包下載地址：

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https://www.mvnjar.com/com.github.seancfoley/ipaddress/5.0.2/detail.html