That must be the built in Samknows tool on the Hub 4? Clever, but only tells you the Virgin Media bit is working, doesn't tell you if VM have congestion on their links to the rest of the internet. Vodafone do something similar.
BT's FTTP 1gig service manages to hit over 980 Mbps on the Thinkbroadband tester.
21 years of broadband connectivity since 1999 trial - Live BQM