Routers can be located within a sytem or without at the ISP. I don't believe we've ever discussed the site configuration.
Since it's not my main area of expertise - you can laugh if like.
It could be your ISP's people could learn something from someone with my son's background. You just never know, if you you don't ask.
John
Park your Sub at the iHub - Bub; ....the experience might just "...float your boat..." !!
.......According to the Great Pumpkin, ".....You're in .....iHub....., Charlie Brown....."!!!