ip cidr范围判断

https://github.com/seancfoley/IPAddress

<dependency>
    <groupId>com.github.seancfoley</groupId>
    <artifactId>ipaddress</artifactId>
    <version>5.3.4</version>
</dependency>

IPAddress address = new IPAddressString("192.168.0.0/24").getAddress().toPrefixBlock();
IPAddress address3= new IPAddressString("192.168.0.0").getAddress();
IPAddress address2 = new IPAddressString("192.168.1.1/24").getAddress().toPrefixBlock();
System.out.println(address.getSection().getLower());
System.out.println(address.getSection().getUpper());
System.out.println(address.contains(address2)); ;
System.out.println(address.contains(address3)); ;