hello, this sounds like a problem possibly caused by malware on your pc. please go to firefox > addons > extensions & remove any suspicious entries (toolbars, things that you have not installed intentionally, don't know what purpose they serve, etc). also go to the windows control panel / programs and remove all toolbars or potentially unwanted software from there and do a full scan of your system with the security software that you have in place and different other tools like the free version of malwarebytes & adwcleaner.

Remove a toolbar that has taken over your Firefox search or home page Troubleshoot Firefox issues caused by malware

Thankyou Madperson, I have run the latest Malwarebytes and it showed nothing as did Kapersky AV and Simply Super Software trojan remover. The adwcleaner did find a few things that I didn't know was on the system it is still showing the same ip address connecting. There are no toolbars that are visible and none in add/remove program list.

if you couldn't remove the issue with a normal scan, please consult one of the forums specialised on malware removal that are named in the Troubleshoot Firefox issues caused by malware article. multiple search entries on google for this ip indicate that it used for malicious purposes...

Thanks Madperson I will jump forums.