Is this an intrusion?

[Maurice McCarthy]

Hi,

$ xauth list
...
advancedsearch.virginmedia.com:0  MIT-MAGIC-COOKIE-1  
f3aa08ed0926482c51f5cb386e28a0ea


Virgin Media is my ISP. Is this an intrusion into my system please? I
ran xauth remove ... just for the sake  of it anyhow.

Thanks
Moss