Your tracert output looks quite ok. The telia servers seem to be a bit slow but that's far beyond your network or that of your ISP.
The only thing that might concern me is the timeout (asterisk) between your home router and your ISP's counterpart. But since that's only a single event (at least in your output) I wouldn't want to draw any conclusions based on that without further tests.
Yeah, when watching the output, those asterisks took about 15 seconds before it moved on again.
That's normal because an asterisk marks a timeout. Therefore it will always take multiple seconds before one appears.
If you can recreate that result multiple times you should call your ISP.