Yes, they all do, but you can the same thing from PN with a static IP, if that's what you are after, for a one-off payment, £5 I think.
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