boolean isNodeAddressInUse(@NonNull final List<ProvisionedMeshNode> nodes) {
        if (provisionerAddress == null)
            return false;

        for (ProvisionedMeshNode node : nodes) {
            if (!node.getUuid().equalsIgnoreCase(provisionerUuid)) {
                if (node.getUnicastAddress() == provisionerAddress) {
                    return true;
                }
            }
        }
        return false;
    }
Checks if a given Unicast Address is within an allocated unicast address range

@param address Unicast Address
@return true if it is within a range or false otherwise
@throws IllegalArgumentException if address is invalid or out of range
mesh/src/main/java/no/nordicsemi/android/mesh/Provisioner.java