```
public class CIDR
extends Object
```
Parse a CIDR block notation and test whether an IP address is contained in the subnet range defined by the CIDR.

public CIDR(InetAddress address,
            int mask)

public CIDR(String cidr)
     throws IllegalArgumentException

public boolean contains(InetAddress address)

Modifier and Type	Method	Description
`boolean`	`contains(InetAddress address)`
`String`	`toString()`

Constructors
Constructor	Description
`CIDR(String cidr)`
`CIDR(InetAddress address, int mask)`

Class CIDR