Yes, you exchange confirms that Orange would have moved you recently from LLU to only BT 20CN ADSL Max (IPStream) because your exchange is not 21CN enabled.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU BB => 2010: Orange 19 Meg Tweaked / 16 Meg Untweaked LLU BB