Ethernet Cable putting me on different network

[pippincp]

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@TomJ_Taylorwrote:

No I don't, I'm connected via 20m ethernet cable straight from my PC into the router

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Tracert?

[TomJ_Taylor]

What's that?

[pippincp]

https://www.hellotech.com/guide/for/how-to-run-a-traceroute-windows-10 

You can do it to google.com or bbc.co.uk.

[TomJ_Taylor]

Seems to also be causing issues with my xbox one! It seems that any Ethernet connection to the BT hub just puts me onto a sky network, meaning I am unable to play online or download any games because the connection is awful

[pippincp]

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@TomJ_Taylorwrote:

Seems to also be causing issues with my xbox one! It seems that any Ethernet connection to the BT hub just puts me onto a sky network, meaning I am unable to play online or download any games because the connection is awful

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Tracert?

[Keith_Beddoe]

What do you get on your phone if you dial 150, as you may have a crossed line?

[Anonymous]

Did you try my suggestion in message 5?

[ch]

If you're plugged into a BT hub connected to a BT network, and there's no other network connections from your devices (for example wifi to the sky router), then you are connected to BT.

If not, one of these:

You're connected to sky via wifi "ipconfig /all" in a command prompt will help show that.

You're not connected to what you think you are - check the cables.

You're not on the Sky network - "tracert www.bbc.co.uk" in a command prompt will prove that.

You're using powerline connectors and connecting to the wrong endpoint, maybe even a neighbour

Your BT hub is connected to Sky broadband.

[pippincp]

A BT hub can't authenticate on SKY broadband.

[Anonymous]

@ch Not at all likely.

More like the Sky network name has been remembered by the O.S. 

All that's required is a simple painless network reset but the OP seems resistant for some reason.