The VM Community forum has a thread about this and James W (Community Lead - Help & Support Forum Team) stated at 17:40pm
"I'm sorry to see that this is occurring: I've escalated it to our broadband support teams a while ago for investigation, and am waiting for an update.
I'll update when I do get that information through."
and gave this update at 21:09pm
"I assure you we do have our networking teams available 24 hours a day, 7 days a week.
This is being looked into, but I've no updates to share at the moment, I'm sorry.
Hopefully it won't be too much longer, but thank you for your patience so far. "
http://community.virginmedia.com/t5/...508163/page/16