public static boolean isValidSubscriptionAddress(@NonNull final byte[] address) {
        if (!isAddressInRange(address))
            return false;
        return isValidSubscriptionAddress((address[0] & 0xFF) << 8 | address[1] & 0xFF);
    }
Validates a given address for subscriptions

@param address group address
@return true if is valid and false otherwise
mesh/src/main/java/no/nordicsemi/android/mesh/utils/MeshAddress.java