Upstream Visibility is a web application integrated in RIPEstat. It proposes a concise way of visualizing interdomain routing data of a specified prefix.
https://stat.ripe.net/docs/widget_api
Upstream Visibility is the new tool produced by the Computer Network Research Group of Roma Tre in collaboration with RIPE NCC. The authors are Luca Marzialetti, Massimo Candela, and Giuseppe Di Battista
If you are using Upstream Visibility -or an image of the tool- on your website, please include a link to this url: https://labs.ripe.net/Members/massimo_candela/upstream-visibility-check-through-which-upstream-providers-your-prefix-is-reachable-around-the-world
Usually this notice is added by the widget itself. If you have a version of the code that doesn't do that, add it manually.
Please, always refer to the tool with the correct name of Upstream Visibility.