Another way of looking at it ...
It's unlike the BTw network, used by many other ISPs, and more like TT's as they're both LLU.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 20 Meg WBC