Anyway, in order to remove these IPs from the history, open up
~/.local/share/vinagre/history
with your favorite text edit, and remove IPs you don't want. Save the file, and you are done.
~/.local/share/vinagre/history
/etc/Wireless/RT2860STAThen, create the RT2860STA.dat inside the directory, e.g.
touch RT2860STA.dat