The subject is impossible I know, but some interesting findings.
If you head to fast.com click on more info change the settings to 64 connections you get a reading in gbps all at least I did.
What I found interesting in this test as soon as I started the test with 64 connections Fair Use policy kicked in with Voyager.
2mins after my fibre connection was slowed to 5mbps then went back to 100mbps.
What do you think is happening.