[NET-641] SubnetUtils.SubnetInfo.isInRange("0.0.0.0") returns true for CIDR/31, 32

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.6
• Fix Version/s: 3.7

Environment

Windows; JDK8; common-net 3.6

• Assignee: Unassigned
• Reporter: pin_ptr
• Created: 09/Jul/17 16:55
• Updated: 06/Aug/20 12:27
• Resolved: 04/Aug/17 11:39

Description

Code:
import org.apache.commons.net.util.SubnetUtils;

public class A {
public static void main(String[] args)

{ System.out.println(new SubnetUtils("192.168.1.0/30").getInfo().isInRange("0.0.0.0")); System.out.println(new SubnetUtils("192.168.1.0/31").getInfo().isInRange("0.0.0.0")); System.out.println(new SubnetUtils("192.168.1.0/32").getInfo().isInRange("0.0.0.0")); }

}

Result:
false
true
true

Expected:
false
false
false