Thread:Bdj610/@comment-25065135-20181006102757/@comment-25065135-20181007152959

Natalie Medders wrote: it's really not fair that I have to share an IP address with trolls Sooo, at first, IP adress is something like ID of your computer. So if you have same IP adress, it's almost certain you are one and same person.

They know it, because when you log in into the wikia, your current IP adress is automatically recorded and archived.