Hi,

I also copy pasted IP addresses from excel and LibreOfficeCalc. It worked fine on Nightly, ESR releases, Firefox Standard release has your Issue. The issue is caused by the data getting pasted over there if you copy and paste from excel it will paste the value and extra line Thanks for informing us, for now use notepad and remove extra line and paste the IP address only

Pasting an IP into the address bar (from Excel) and pressing ENTER/Return from either the keypad or (sometimes) keys area changes the address bar to [Google search] (empty) - my IP that I've pasted is gone and the website from the IP is not open. I don't have google as search engine!

**Edit:** If there is white space between the end of the text you pasted and the cursor, hit the backspace key to delete it before hitting Enter.

When you are about to paste, is Firefox showing the "Top Sites" list from the new tab page in the drop down? And is the top site a "pinned" Google search shortcut? If so, here are two options:

(1) Unpin Google Search (and any other pinned search icon) on the new tab page, or drag a regular website shortcut to the first position

To unpin Google, hover your mouse over the tile, click the ••• menu button that appears on the icon, and click Unpin.

More info on these kinds of changes: Customize your Firefox New Tab page

(2) Turn off Top Sites in the drop-down

Please see the "How can I control what results the address bar shows me?" section of the following article: "Address bar autocomplete in Firefox"

Does that make any difference?

Note: filed a bug for this (1709971).