docs: @Override
  	public IPv4Address[] spanWithSequentialBlocks() throws AddressConversionException {
  		if(isSequential()) {
  			return new IPv4Address[] { withoutPrefixLength() };
  		}
  		@SuppressWarnings("unchecked")
  		ArrayList<IPv4Address> list = (ArrayList<IPv4Address>) spanWithBlocks(false);
  		return list.toArray(new IPv4Address[list.size()]);
  	}