Virgin is a Virtual ISP - you need to find out who supplies its broadband service on its behalf to get a better idea.
Another example is Toucan, which offers Tiscali BB and phone services and, what's more, cheaper than Tiscali itself...:-)
What is ransomware and how do I protect my PC from WannaCry?
What I learned from my mentor, Oscar-winning VFX supervisor Phil Tippett
Siri vs Google Assistant
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.