CWCS20 194.116.174.46
Nameservers: ns9.supremeservers.co.uk and ns10.supremeservers.co.uk
Control Panel Access: https://194.116.174.46:8443

CWCS22 194.116.174.144
Nameservers: ns11.supremeservers.co.uk and ns12.supremeservers.co.uk
Control Panel Access: https://194.116.174.144:8443

CWCS24 194.116.174.86
Nameservers: ns13.supremeservers.co.uk and ns14.supremeservers.co.uk
Other Nameservers: ns3.supremeservers.co.uk and ns4.supremeservers.co.uk
Control Panel Access: https://194.116.174.86:8443

CWCS26 194.116.174.240
Nameservers: ns7.supremeservers.co.uk and ns8.supremeservers.co.uk
Control Panel Access: https://194.116.174.240:8443

CWCS28 91.192.193.28
Nameservers: ns15.supremeservers.co.uk and ns16.supremeservers.co.uk
Control Panel Access: https://91.192.193.28:8443

CWCS30 91.192.193.30
Nameservers: ns17.supremeservers.co.uk and ns18.supremeservers.co.uk
Control Panel Access: https://91.192.193.30:8443

CWCS32 91.192.193.32
Nameservers: ns21.supremeservers.co.uk and ns22.supremeservers.co.uk
Control Panel Access: https://91.192.193.32:8443

CWCS34 91.192.193.34
Nameservers: ns34.supremeservers.co.uk and ns35.supremeservers.co.uk
Control Panel Access: https://91.192.193.34:8443

CWCS36 91.192.193.8
Nameservers: ns36.supremeservers.co.uk and ns37.supremeservers.co.uk
Control Panel Access: https://91.192.193.8:8443

CWCS38 91.192.193.38
Nameservers: ns38.supremeservers.co.uk and ns39.supremeservers.co.uk
Control Panel Access: https://91.192.193.38:8443

You will have received a welcome email detailing the IP you are on and the nameservers you need to change to this has to be done via the domain registrar.
You can access all the servers control panels via the IP for example if you are on cwcs26 the control panel would be accessible via https://194.116.174.240:8443 or https://yourdomain.com:8443 .