Package org.kiwiproject.net

Class CidrRange

java.lang.Object
org.kiwiproject.net.CidrRange
public class CidrRange extends Object
Small utility to analyze CIDR information. Supports both IPv4 and IPv6.

This utility was copied and enhanced from https://github.com/edazdarevic/CIDRUtils which has not been updated since 2019 and seems to be unmaintained.

  • Constructor Details

    • CidrRange

      public CidrRange(String cidr)
      Creates a new instance of KiwiCidrs parsing the given CIDR.
      Parameters:
      cidr - the CIDR to use for this instance.

  • Method Details

    • getNetworkAddress

      public String getNetworkAddress()
      Returns the network address for the CIDR. For example: 192.168.100.15/24 will return 192.168.100.0.
      Returns:
      The network address for the CIDR

    • getBroadcastAddress

      public String getBroadcastAddress()
      Returns the broadcast address for the CIDR. For example: 192.168.100.15/24 will return 192.168.100.255.
      Returns:
      The broadcast address for the CIDR

    • isInRange

      public boolean isInRange(String ipAddress)
      Checks if a given IP address (as a string) is in the CIDR range.
      Parameters:
      ipAddress - the IP address to check
      Returns:
      true if the IP address is in range, false otherwise

    • isInRange

      public boolean isInRange(InetAddress address)
      Checks if a given IP address (as an InetAddress) is in the CIDR range.
      Parameters:
      address - the IP address to check
      Returns:
      true if the IP address is in range, false otherwise